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56769031 = 115160821
BaseRepresentation
bin1101100010001…
…1101000000111
310221211011110201
43120203220013
5104013102111
65344431331
71256346244
oct330435007
9127734421
1056769031
112a054460
1217018547
13b9b8457
14777a5cb
154eb56c1
hex3623a07

56769031 has 4 divisors (see below), whose sum is σ = 61929864. Its totient is φ = 51608200.

The previous prime is 56769023. The next prime is 56769047. The reversal of 56769031 is 13096765.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56769031 - 23 = 56769023 is a prime.

It is a super-2 number, since 2×567690312 = 6445445761357922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56769061) 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, 2580400 + ... + 2580421.

It is an arithmetic number, because the mean of its divisors is an integer number (15482466).

Almost surely, 256769031 is an apocalyptic number.

56769031 is a deficient number, since it is larger than the sum of its proper divisors (5160833).

56769031 is a wasteful number, since it uses less digits than its factorization.

56769031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160832.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 56769031 is about 7534.5226126146. The cubic root of 56769031 is about 384.3295939578.

The spelling of 56769031 in words is "fifty-six million, seven hundred sixty-nine thousand, thirty-one".

Divisors: 1 11 5160821 56769031