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52772508 = 22323739619
BaseRepresentation
bin1100100101001…
…1111010011100
310200022010021100
43021103322130
5102002210013
65123033100
71210362465
oct311237234
9120263240
1052772508
1127874848
121580b790
13ac19349
147019d6c
154976473
hex3253e9c

52772508 has 36 divisors (see below), whose sum is σ = 137005960. Its totient is φ = 17114976.

The previous prime is 52772497. The next prime is 52772513. The reversal of 52772508 is 80527725.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×527725082 = 5569875201220128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18478 + ... + 21141.

Almost surely, 252772508 is an apocalyptic number.

It is an amenable number.

52772508 is an abundant number, since it is smaller than the sum of its proper divisors (84233452).

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

52772508 is a wasteful number, since it uses less digits than its factorization.

52772508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39666 (or 39661 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 52772508 is about 7264.4688725329. The cubic root of 52772508 is about 375.0903675548.

The spelling of 52772508 in words is "fifty-two million, seven hundred seventy-two thousand, five hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 666 1332 39619 79238 118857 158476 237714 356571 475428 713142 1426284 1465903 2931806 4397709 5863612 8795418 13193127 17590836 26386254 52772508