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56976913 = 78819239
BaseRepresentation
bin1101100101011…
…0011000010001
310222012201122001
43121112120101
5104041230123
65353114001
71261203310
oct331263021
9128181561
1056976913
112a186664
12170b8901
13ba5bc66
1477d2277
1550070ad
hex3656611

56976913 has 8 divisors (see below), whose sum is σ = 65197440. Its totient is φ = 48776640.

The previous prime is 56976863. The next prime is 56976947. The reversal of 56976913 is 31967965.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56976913 - 221 = 54879761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56977913) 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, 1548 + ... + 10786.

It is an arithmetic number, because the mean of its divisors is an integer number (8149680).

Almost surely, 256976913 is an apocalyptic number.

It is an amenable number.

56976913 is a deficient number, since it is larger than the sum of its proper divisors (8220527).

56976913 is an equidigital number, since it uses as much as digits as its factorization.

56976913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10127.

The product of its digits is 306180, while the sum is 46.

The square root of 56976913 is about 7548.3053064910. The cubic root of 56976913 is about 384.7981468445.

The spelling of 56976913 in words is "fifty-six million, nine hundred seventy-six thousand, nine hundred thirteen".

Divisors: 1 7 881 6167 9239 64673 8139559 56976913