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56791956 = 22313734987
BaseRepresentation
bin1101100010100…
…1001110010100
310221212022220210
43120221032110
5104014320311
65345125420
71256503134
oct330511624
9127768823
1056791956
112a06a701
1217029870
13b9c5a10
147784ac4
154ebc3a6
hex3629394

56791956 has 48 divisors (see below), whose sum is σ = 144691904. Its totient is φ = 17231616.

The previous prime is 56791939. The next prime is 56791963. The reversal of 56791956 is 65919765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8895 + ... + 13881.

Almost surely, 256791956 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 56791956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72345952).

56791956 is an abundant number, since it is smaller than the sum of its proper divisors (87899948).

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

56791956 is a wasteful number, since it uses less digits than its factorization.

56791956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080 (or 5078 counting only the distinct ones).

The product of its digits is 510300, while the sum is 48.

The square root of 56791956 is about 7536.0437896817. The cubic root of 56791956 is about 384.3813215168.

The spelling of 56791956 in words is "fifty-six million, seven hundred ninety-one thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 73 78 146 156 219 292 438 876 949 1898 2847 3796 4987 5694 9974 11388 14961 19948 29922 59844 64831 129662 194493 259324 364051 388986 728102 777972 1092153 1456204 2184306 4368612 4732663 9465326 14197989 18930652 28395978 56791956