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252361902 = 23133235409
BaseRepresentation
bin11110000101010…
…11110010101110
3122120212022110010
433002223302232
51004101040102
641012554050
76153016662
oct1702536256
9576768403
10252361902
1111a4a7261
1270622926
134038b790
14257328a2
151724dd6c
hexf0abcae

252361902 has 16 divisors (see below), whose sum is σ = 543548880. Its totient is φ = 77649792.

The previous prime is 252361877. The next prime is 252361931. The reversal of 252361902 is 209163252.

It is a self number, because there is not a number n which added to its sum of digits gives 252361902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1617627 + ... + 1617782.

It is an arithmetic number, because the mean of its divisors is an integer number (33971805).

Almost surely, 2252361902 is an apocalyptic number.

252361902 is an abundant number, since it is smaller than the sum of its proper divisors (291186978).

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

252361902 is a wasteful number, since it uses less digits than its factorization.

252361902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235427.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 252361902 is about 15885.9026183595. The cubic root of 252361902 is about 631.9381832798.

The spelling of 252361902 in words is "two hundred fifty-two million, three hundred sixty-one thousand, nine hundred two".

Divisors: 1 2 3 6 13 26 39 78 3235409 6470818 9706227 19412454 42060317 84120634 126180951 252361902