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56257701 = 323899161
BaseRepresentation
bin1101011010011…
…0110010100101
310220212012001120
43112212302211
5103400221301
65325444153
71252116423
oct326466245
9126765046
1056257701
1129835275
1216a10659
13b8697a6
147686113
154e13e36
hex35a6ca5

56257701 has 16 divisors (see below), whose sum is σ = 79159680. Its totient is φ = 35467520.

The previous prime is 56257687. The next prime is 56257757. The reversal of 56257701 is 10775265.

It is a cyclic number.

It is not a de Polignac number, because 56257701 - 222 = 52063397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56257001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1561 + ... + 10721.

It is an arithmetic number, because the mean of its divisors is an integer number (4947480).

Almost surely, 256257701 is an apocalyptic number.

It is an amenable number.

56257701 is a deficient number, since it is larger than the sum of its proper divisors (22901979).

56257701 is a wasteful number, since it uses less digits than its factorization.

56257701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9276.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 56257701 is about 7500.5133824292. The cubic root of 56257701 is about 383.1722008772.

The spelling of 56257701 in words is "fifty-six million, two hundred fifty-seven thousand, seven hundred one".

Divisors: 1 3 23 69 89 267 2047 6141 9161 27483 210703 632109 815329 2445987 18752567 56257701