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56756713 = 1318124121
BaseRepresentation
bin1101100010000…
…0100111101001
310221210112120111
43120200213221
5104012203323
65344254321
71256265316
oct330404751
9127715514
1056756713
112a046182
12170113a1
13b9b2970
147775d0d
154eb1c0d
hex36209e9

56756713 has 8 divisors (see below), whose sum is σ = 61462856. Its totient is φ = 52099200.

The previous prime is 56756701. The next prime is 56756719. The reversal of 56756713 is 31765765.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3583449 + 53173264 = 1893^2 + 7292^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56756713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56756719) 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, 9708 + ... + 14413.

It is an arithmetic number, because the mean of its divisors is an integer number (7682857).

Almost surely, 256756713 is an apocalyptic number.

It is an amenable number.

56756713 is a deficient number, since it is larger than the sum of its proper divisors (4706143).

56756713 is a wasteful number, since it uses less digits than its factorization.

56756713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24315.

The product of its digits is 132300, while the sum is 40.

The square root of 56756713 is about 7533.7051309432. The cubic root of 56756713 is about 384.3017940916.

The spelling of 56756713 in words is "fifty-six million, seven hundred fifty-six thousand, seven hundred thirteen".

Divisors: 1 13 181 2353 24121 313573 4365901 56756713