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56520038 = 247619857
BaseRepresentation
bin1101011110011…
…0110101100110
310221100111220202
43113212311212
5103432120123
65335230502
71254261311
oct327466546
9127314822
1056520038
11299a4383
1216b18432
13b92c013
147713978
154e66a28
hex35e6d66

56520038 has 16 divisors (see below), whose sum is σ = 88012224. Its totient is φ = 27202560.

The previous prime is 56520029. The next prime is 56520067. The reversal of 56520038 is 83002565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806 + ... + 10662.

It is an arithmetic number, because the mean of its divisors is an integer number (5500764).

Almost surely, 256520038 is an apocalyptic number.

56520038 is a deficient number, since it is larger than the sum of its proper divisors (31492186).

56520038 is a wasteful number, since it uses less digits than its factorization.

56520038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9967.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 56520038 is about 7517.9809789597. The cubic root of 56520038 is about 383.7668714797.

The spelling of 56520038 in words is "fifty-six million, five hundred twenty thousand, thirty-eight".

Divisors: 1 2 47 61 94 122 2867 5734 9857 19714 463279 601277 926558 1202554 28260019 56520038