Search a number
-
+
271680336 = 243261157197
BaseRepresentation
bin10000001100011…
…000001101010000
3200221012210100200
4100030120031100
51024022232321
642543015200
76506146644
oct2014301520
9627183320
10271680336
1112a3a1504
1276b9a500
13443938c5
1428120c24
1518cb7d26
hex10318350

271680336 has 120 divisors (see below), whose sum is σ = 781662024. Its totient is φ = 88058880.

The previous prime is 271680329. The next prime is 271680337. The reversal of 271680336 is 633086172.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24561936 + 247118400 = 4956^2 + 15720^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 271680336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271680337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1378990 + ... + 1379186.

Almost surely, 2271680336 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 271680336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390831012).

271680336 is an abundant number, since it is smaller than the sum of its proper divisors (509981688).

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

271680336 is a wasteful number, since it uses less digits than its factorization.

271680336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 271680336 is about 16482.7284149197. The cubic root of 271680336 is about 647.6684403491.

The spelling of 271680336 in words is "two hundred seventy-one million, six hundred eighty thousand, three hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 61 72 122 144 157 183 197 244 314 366 394 471 488 549 591 628 732 788 942 976 1098 1182 1256 1413 1464 1576 1773 1884 2196 2364 2512 2826 2928 3152 3546 3768 4392 4728 5652 7092 7536 8784 9456 9577 11304 12017 14184 19154 22608 24034 28368 28731 30929 36051 38308 48068 57462 61858 72102 76616 86193 92787 96136 108153 114924 123716 144204 153232 172386 185574 192272 216306 229848 247432 278361 288408 344772 371148 432612 459696 494864 556722 576816 689544 742296 865224 1113444 1379088 1484592 1730448 1886669 2226888 3773338 4453776 5660007 7546676 11320014 15093352 16980021 22640028 30186704 33960042 45280056 67920084 90560112 135840168 271680336