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272660412 = 223192113557
BaseRepresentation
bin10000010000000…
…111011110111100
3201000001120202210
4100100013132330
51024300113122
643020020420
76520401213
oct2020073674
9630046683
10272660412
1112aa00892
1277391710
1344647a2b
14282d807a
1518e0d40c
hex104077bc

272660412 has 72 divisors (see below), whose sum is σ = 678612816. Its totient is φ = 85188096.

The previous prime is 272660359. The next prime is 272660413. The reversal of 272660412 is 214066272.

It is a self number, because there is not a number n which added to its sum of digits gives 272660412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272660413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489238 + ... + 489794.

It is an arithmetic number, because the mean of its divisors is an integer number (9425178).

Almost surely, 2272660412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272660412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339306408).

272660412 is an abundant number, since it is smaller than the sum of its proper divisors (405952404).

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

272660412 is a wasteful number, since it uses less digits than its factorization.

272660412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 272660412 is about 16512.4320437663. The cubic root of 272660412 is about 648.4463184173.

The spelling of 272660412 in words is "two hundred seventy-two million, six hundred sixty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 113 114 226 228 339 361 452 557 678 722 1083 1114 1356 1444 1671 2147 2166 2228 3342 4294 4332 6441 6684 8588 10583 12882 21166 25764 31749 40793 42332 62941 63498 81586 122379 125882 126996 163172 188823 201077 244758 251764 377646 402154 489516 603231 755292 804308 1195879 1206462 2391758 2412924 3587637 4783516 7175274 14350548 22721701 45443402 68165103 90886804 136330206 272660412