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56804955 = 3515724121
BaseRepresentation
bin1101100010110…
…0011001011011
310221212222202020
43120230121123
5104020224310
65345305523
71256556054
oct330543133
9127788666
1056804955
112a079449
12170352a3
13b9cb8cc
14778972b
154ec1170
hex362c65b

56804955 has 16 divisors (see below), whose sum is σ = 91470624. Its totient is φ = 30101760.

The previous prime is 56804921. The next prime is 56804959. The reversal of 56804955 is 55940865.

It is not a de Polignac number, because 56804955 - 27 = 56804827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56804959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9706 + ... + 14415.

It is an arithmetic number, because the mean of its divisors is an integer number (5716914).

Almost surely, 256804955 is an apocalyptic number.

56804955 is a deficient number, since it is larger than the sum of its proper divisors (34665669).

56804955 is a wasteful number, since it uses less digits than its factorization.

56804955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24286.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 56804955 is about 7536.9061955155. The cubic root of 56804955 is about 384.4106460431.

The spelling of 56804955 in words is "fifty-six million, eight hundred four thousand, nine hundred fifty-five".

Divisors: 1 3 5 15 157 471 785 2355 24121 72363 120605 361815 3786997 11360991 18934985 56804955