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52981256 = 2321131387
BaseRepresentation
bin1100101000011…
…0111000001000
310200200201121202
43022012320020
5102030400011
65131323332
71212222206
oct312067010
9120621552
1052981256
11279a7669
12158b0548
13ac90373
147072076
1549b823b
hex3286e08

52981256 has 16 divisors (see below), whose sum is σ = 99813840. Its totient is φ = 26364240.

The previous prime is 52981249. The next prime is 52981261. The reversal of 52981256 is 65218925.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14006 + ... + 17381.

It is an arithmetic number, because the mean of its divisors is an integer number (6238365).

Almost surely, 252981256 is an apocalyptic number.

It is an amenable number.

52981256 is a deficient number, since it is larger than the sum of its proper divisors (46832584).

52981256 is a wasteful number, since it uses less digits than its factorization.

52981256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31604 (or 31600 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 52981256 is about 7278.8224322345. The cubic root of 52981256 is about 375.5842885529.

The spelling of 52981256 in words is "fifty-two million, nine hundred eighty-one thousand, two hundred fifty-six".

Divisors: 1 2 4 8 211 422 844 1688 31387 62774 125548 251096 6622657 13245314 26490628 52981256