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52752864 = 253549509
BaseRepresentation
bin1100100100111…
…1000111100000
310200021010022210
43021033013200
5102001042424
65122402120
71210251303
oct311170740
9120233283
1052752864
112786100a
1215800340
13ac10418
147012b3a
154970729
hex324f1e0

52752864 has 24 divisors (see below), whose sum is σ = 138476520. Its totient is φ = 17584256.

The previous prime is 52752859. The next prime is 52752877. The reversal of 52752864 is 46825725.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

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, 274659 + ... + 274850.

It is an arithmetic number, because the mean of its divisors is an integer number (5769855).

Almost surely, 252752864 is an apocalyptic number.

It is an amenable number.

52752864 is an abundant number, since it is smaller than the sum of its proper divisors (85723656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52752864 is a wasteful number, since it uses less digits than its factorization.

52752864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549522 (or 549514 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 52752864 is about 7263.1166863820. The cubic root of 52752864 is about 375.0438206569.

The spelling of 52752864 in words is "fifty-two million, seven hundred fifty-two thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 549509 1099018 1648527 2198036 3297054 4396072 6594108 8792144 13188216 17584288 26376432 52752864