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272304912 = 2431117231319
BaseRepresentation
bin10000001110110…
…000101100010000
3200222101112010010
4100032300230100
51024202224122
643004234520
76514360605
oct2016605420
9628345103
10272304912
1112a788790
127723ba40
1344551c89
14282446ac
1518d8ce0c
hex103b0b10

272304912 has 160 divisors (see below), whose sum is σ = 848517120. Its totient is φ = 74229760.

The previous prime is 272304881. The next prime is 272304913. The reversal of 272304912 is 219403272.

It is a self number, because there is not a number n which added to its sum of digits gives 272304912.

It is not an unprimeable number, because it can be changed into a prime (272304913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205789 + ... + 207107.

It is an arithmetic number, because the mean of its divisors is an integer number (5303232).

Almost surely, 2272304912 is an apocalyptic number.

272304912 is a gapful number since it is divisible by the number (22) 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 272304912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424258560).

272304912 is an abundant number, since it is smaller than the sum of its proper divisors (576212208).

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

272304912 is a wasteful number, since it uses less digits than its factorization.

272304912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1375 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 272304912 is about 16501.6639161025. The cubic root of 272304912 is about 648.1643768331.

The spelling of 272304912 in words is "two hundred seventy-two million, three hundred four thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 17 22 23 24 33 34 44 46 48 51 66 68 69 88 92 102 132 136 138 176 184 187 204 253 264 272 276 368 374 391 408 506 528 552 561 748 759 782 816 1012 1104 1122 1173 1319 1496 1518 1564 2024 2244 2346 2638 2992 3036 3128 3957 4048 4301 4488 4692 5276 6072 6256 7914 8602 8976 9384 10552 12144 12903 14509 15828 17204 18768 21104 22423 25806 29018 30337 31656 34408 43527 44846 51612 58036 60674 63312 67269 68816 87054 89692 91011 103224 116072 121348 134538 174108 179384 182022 206448 232144 242696 246653 269076 333707 348216 358768 364044 485392 493306 515729 538152 667414 696432 728088 739959 986612 1001121 1031458 1076304 1334828 1456176 1479918 1547187 1973224 2002242 2062916 2669656 2959836 3094374 3946448 4004484 4125832 5339312 5673019 5919672 6188748 8008968 8251664 11346038 11839344 12377496 16017936 17019057 22692076 24754992 34038114 45384152 68076228 90768304 136152456 272304912