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56756764 = 2223959369
BaseRepresentation
bin1101100010000…
…0101000011100
310221210112122101
43120200220130
5104012204024
65344254444
71256265421
oct330405034
9127715571
1056756764
112a046219
1217011424
13b9b29ac
147775d48
154eb1c44
hex3620a1c

56756764 has 12 divisors (see below), whose sum is σ = 99741600. Its totient is φ = 28259168.

The previous prime is 56756747. The next prime is 56756767. The reversal of 56756764 is 46765765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56756767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28729 + ... + 30640.

It is an arithmetic number, because the mean of its divisors is an integer number (8311800).

Almost surely, 256756764 is an apocalyptic number.

It is an amenable number.

56756764 is a deficient number, since it is larger than the sum of its proper divisors (42984836).

56756764 is a wasteful number, since it uses less digits than its factorization.

56756764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59612 (or 59610 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The square root of 56756764 is about 7533.7085157311. The cubic root of 56756764 is about 384.3019091992.

Subtracting from 56756764 its reverse (46765765), we obtain a palindrome (9990999).

The spelling of 56756764 in words is "fifty-six million, seven hundred fifty-six thousand, seven hundred sixty-four".

Divisors: 1 2 4 239 478 956 59369 118738 237476 14189191 28378382 56756764