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252253168 = 24137115079
BaseRepresentation
bin11110000100100…
…01001111110000
3122120122210021221
433002101033300
51004034100133
641010354424
76152054656
oct1702211760
9576583257
10252253168
1111a4325a2
127058ba14
134035113b
1425704dd6
151722ba2d
hexf0913f0

252253168 has 20 divisors (see below), whose sum is σ = 492312240. Its totient is φ = 125204864.

The previous prime is 252253159. The next prime is 252253171. The reversal of 252253168 is 861352252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55348 + ... + 59731.

It is an arithmetic number, because the mean of its divisors is an integer number (24615612).

Almost surely, 2252253168 is an apocalyptic number.

It is an amenable number.

252253168 is a deficient number, since it is larger than the sum of its proper divisors (240059072).

252253168 is a wasteful number, since it uses less digits than its factorization.

252253168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115224 (or 115218 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 252253168 is about 15882.4799071178. The cubic root of 252253168 is about 631.8474101521.

The spelling of 252253168 in words is "two hundred fifty-two million, two hundred fifty-three thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 137 274 548 1096 2192 115079 230158 460316 920632 1841264 15765823 31531646 63063292 126126584 252253168