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271886680 = 2351323127179
BaseRepresentation
bin10000001101001…
…010100101011000
3200221121021102001
4100031022211120
51024100333210
642551250344
76510666352
oct2015124530
9627537361
10271886680
1112a52253a
12770799b4
13444367c0
14281760d2
1518d0903a
hex1034a958

271886680 has 128 divisors (see below), whose sum is σ = 696729600. Its totient is φ = 94735872.

The previous prime is 271886677. The next prime is 271886683. The reversal of 271886680 is 86688172.

271886680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (271886677) and next prime (271886683).

It is a super-2 number, since 2×2718866802 = 147844733522844800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 271886680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271886683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1518831 + ... + 1519009.

It is an arithmetic number, because the mean of its divisors is an integer number (5443200).

Almost surely, 2271886680 is an apocalyptic number.

271886680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 271886680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348364800).

271886680 is an abundant number, since it is smaller than the sum of its proper divisors (424842920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

271886680 is a wasteful number, since it uses less digits than its factorization.

271886680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 271886680 is about 16488.9866274432. The cubic root of 271886680 is about 647.8323691273.

It can be divided in two parts, 2718 and 86680, that added together give a palindrome (89398).

The spelling of 271886680 in words is "two hundred seventy-one million, eight hundred eighty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 23 26 40 46 52 65 92 104 115 127 130 179 184 230 254 260 299 358 460 508 520 598 635 716 895 920 1016 1196 1270 1432 1495 1651 1790 2327 2392 2540 2921 2990 3302 3580 4117 4654 5080 5842 5980 6604 7160 8234 8255 9308 11635 11684 11960 13208 14605 16468 16510 18616 20585 22733 23270 23368 29210 32936 33020 37973 41170 45466 46540 53521 58420 66040 75946 82340 90932 93080 107042 113665 116840 151892 164680 181864 189865 214084 227330 267605 295529 303784 379730 428168 454660 522859 535210 591058 759460 909320 1045718 1070420 1182116 1477645 1518920 2091436 2140840 2364232 2614295 2955290 4182872 5228590 5910580 6797167 10457180 11821160 13594334 20914360 27188668 33985835 54377336 67971670 135943340 271886680