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56756894 = 2831811889
BaseRepresentation
bin1101100010000…
…0101010011110
310221210112211012
43120200222132
5104012210034
65344255222
71256265665
oct330405236
9127715735
1056756894
112a046327
1217011512
13b9b2a7c
147775ddc
154eb1cce
hex3620a9e

56756894 has 16 divisors (see below), whose sum is σ = 86682960. Its totient is φ = 27866880.

The previous prime is 56756891. The next prime is 56756899. The reversal of 56756894 is 49865765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56756891) 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, 29102 + ... + 30990.

It is an arithmetic number, because the mean of its divisors is an integer number (5417685).

Almost surely, 256756894 is an apocalyptic number.

56756894 is a deficient number, since it is larger than the sum of its proper divisors (29926066).

56756894 is a wasteful number, since it uses less digits than its factorization.

56756894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155.

The product of its digits is 1814400, while the sum is 50.

The square root of 56756894 is about 7533.7171436151. The cubic root of 56756894 is about 384.3022026104.

The spelling of 56756894 in words is "fifty-six million, seven hundred fifty-six thousand, eight hundred ninety-four".

Divisors: 1 2 83 166 181 362 1889 3778 15023 30046 156787 313574 341909 683818 28378447 56756894