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56755012 = 22433111061
BaseRepresentation
bin1101100010000…
…0001101000100
310221210110020111
43120200031010
5104012130022
65344242404
71256260336
oct330401504
9127713214
1056755012
112a044976
1217010404
13b9b1c62
147775456
154eb1477
hex3620344

56755012 has 24 divisors (see below), whose sum is σ = 102053952. Its totient is φ = 27602400.

The previous prime is 56755009. The next prime is 56755019. The reversal of 56755012 is 21055765.

It is a super-2 number, since 2×567550122 = 6442262774240288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56755019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52962 + ... + 54022.

It is an arithmetic number, because the mean of its divisors is an integer number (4252248).

Almost surely, 256755012 is an apocalyptic number.

It is an amenable number.

56755012 is a deficient number, since it is larger than the sum of its proper divisors (45298940).

56755012 is a wasteful number, since it uses less digits than its factorization.

56755012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 56755012 is about 7533.5922374389. The cubic root of 56755012 is about 384.2979548754.

The spelling of 56755012 in words is "fifty-six million, seven hundred fifty-five thousand, twelve".

Divisors: 1 2 4 43 86 172 311 622 1061 1244 2122 4244 13373 26746 45623 53492 91246 182492 329971 659942 1319884 14188753 28377506 56755012