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56992012 = 227113147127
BaseRepresentation
bin1101100101101…
…0000100001100
310222020111100021
43121122010030
5104042221022
65353311524
71261265320
oct331320414
9128214307
1056992012
112a196a40
12171055a4
13ba65aac
1477d7980
15500b7c7
hex365a10c

56992012 has 96 divisors (see below), whose sum is σ = 132120576. Its totient is φ = 20865600.

The previous prime is 56992003. The next prime is 56992027. The reversal of 56992012 is 21029965.

It is an unprimeable number.

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, 448693 + ... + 448819.

It is an arithmetic number, because the mean of its divisors is an integer number (1376256).

Almost surely, 256992012 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 56992012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66060288).

56992012 is an abundant number, since it is smaller than the sum of its proper divisors (75128564).

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

56992012 is a wasteful number, since it uses less digits than its factorization.

56992012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 56992012 is about 7549.3053985118. The cubic root of 56992012 is about 384.8321346112.

The spelling of 56992012 in words is "fifty-six million, nine hundred ninety-two thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 31 44 47 62 77 94 124 127 154 188 217 254 308 329 341 434 508 517 658 682 868 889 1034 1316 1364 1397 1457 1778 2068 2387 2794 2914 3556 3619 3937 4774 5588 5828 5969 7238 7874 9548 9779 10199 11938 14476 15748 16027 19558 20398 23876 27559 32054 39116 40796 41783 43307 55118 64108 65659 83566 86614 110236 112189 131318 167132 173228 185039 224378 262636 303149 370078 448756 459613 606298 740156 919226 1212596 1295273 1838452 2035429 2590546 4070858 5181092 8141716 14248003 28496006 56992012