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252255153 = 31931142759
BaseRepresentation
bin11110000100100…
…01101110110001
3122120122220000110
433002101232301
51004034131103
641010411533
76152063523
oct1702215661
9576586013
10252255153
1111a434037
1270590ba9
1340352007
1425705a13
151722c403
hexf091bb1

252255153 has 16 divisors (see below), whose sum is σ = 365465600. Its totient is φ = 154178640.

The previous prime is 252255139. The next prime is 252255169. The reversal of 252255153 is 351552252.

252255153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252255153 - 25 = 252255121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252255153.

It is not an unprimeable number, because it can be changed into a prime (252255173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69613 + ... + 73146.

It is an arithmetic number, because the mean of its divisors is an integer number (22841600).

Almost surely, 2252255153 is an apocalyptic number.

It is an amenable number.

252255153 is a deficient number, since it is larger than the sum of its proper divisors (113210447).

252255153 is a wasteful number, since it uses less digits than its factorization.

252255153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142812.

The product of its digits is 15000, while the sum is 30.

The square root of 252255153 is about 15882.5423972360. The cubic root of 252255153 is about 631.8490675000.

It can be divided in two parts, 2522 and 55153, that added together give a palindrome (57675).

The spelling of 252255153 in words is "two hundred fifty-two million, two hundred fifty-five thousand, one hundred fifty-three".

Divisors: 1 3 19 31 57 93 589 1767 142759 428277 2712421 4425529 8137263 13276587 84085051 252255153