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56816788 = 22717119363
BaseRepresentation
bin1101100010111…
…1010010010100
310221220120222111
43120233102110
5104021114123
65345440404
71256635420
oct330572224
9127816874
1056816788
112a087326
1217040104
13ba04102
14778db80
154ec490d
hex362f494

56816788 has 24 divisors (see below), whose sum is σ = 120318912. Its totient is φ = 22917504.

The previous prime is 56816779. The next prime is 56816791. The reversal of 56816788 is 88761865.

56816788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59206 + ... + 60157.

It is an arithmetic number, because the mean of its divisors is an integer number (5013288).

Almost surely, 256816788 is an apocalyptic number.

It is an amenable number.

56816788 is an abundant number, since it is smaller than the sum of its proper divisors (63502124).

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

56816788 is a wasteful number, since it uses less digits than its factorization.

56816788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119391 (or 119389 counting only the distinct ones).

The product of its digits is 645120, while the sum is 49.

The square root of 56816788 is about 7537.6911584384. The cubic root of 56816788 is about 384.4373362932.

The spelling of 56816788 in words is "fifty-six million, eight hundred sixteen thousand, seven hundred eighty-eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 119363 238726 477452 835541 1671082 2029171 3342164 4058342 8116684 14204197 28408394 56816788