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252536472 = 23323507451
BaseRepresentation
bin11110000110101…
…10011010011000
3122121012011220200
433003112122120
51004122131342
641020422200
76154344636
oct1703263230
9577164820
10252536472
1111a606431
12706a7960
1340420086
142577a356
151728594c
hexf0d6698

252536472 has 24 divisors (see below), whose sum is σ = 683953140. Its totient is φ = 84178800.

The previous prime is 252536443. The next prime is 252536489. The reversal of 252536472 is 274635252.

252536472 is a `hidden beast` number, since 2 + 5 + 2 + 5 + 3 + 647 + 2 = 666.

252536472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 5 ways as a sum of consecutive naturals, for example, 1753654 + ... + 1753797.

Almost surely, 2252536472 is an apocalyptic number.

It is an amenable number.

252536472 is an abundant number, since it is smaller than the sum of its proper divisors (431416668).

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

252536472 is a wasteful number, since it uses less digits than its factorization.

252536472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507463 (or 3507456 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 252536472 is about 15891.3961627039. The cubic root of 252536472 is about 632.0838629834.

The spelling of 252536472 in words is "two hundred fifty-two million, five hundred thirty-six thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 3507451 7014902 10522353 14029804 21044706 28059608 31567059 42089412 63134118 84178824 126268236 252536472