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56770531 = 175875689
BaseRepresentation
bin1101100010001…
…1111111100011
310221211020112021
43120203333203
5104013124111
65344442311
71256353516
oct330437743
9127736467
1056770531
112a0555a4
1217019397
13b9b903c
14777ad7d
154eb5d71
hex3623fe3

56770531 has 8 divisors (see below), whose sum is σ = 60222960. Its totient is φ = 53330688.

The previous prime is 56770523. The next prime is 56770541. The reversal of 56770531 is 13507765.

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 56770531 - 23 = 56770523 is a prime.

It is a super-2 number, since 2×567705312 = 6445786380043922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56770541) 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, 7135 + ... + 12823.

It is an arithmetic number, because the mean of its divisors is an integer number (7527870).

Almost surely, 256770531 is an apocalyptic number.

56770531 is a deficient number, since it is larger than the sum of its proper divisors (3452429).

56770531 is a wasteful number, since it uses less digits than its factorization.

56770531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6293.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 56770531 is about 7534.6221537646. The cubic root of 56770531 is about 384.3329789567.

The spelling of 56770531 in words is "fifty-six million, seven hundred seventy thousand, five hundred thirty-one".

Divisors: 1 17 587 5689 9979 96713 3339443 56770531