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252157150 = 25275912211
BaseRepresentation
bin11110000011110…
…01110011011110
3122120110220120201
433001321303132
51004023012100
641004334114
76151205020
oct1701716336
9576426521
10252157150
1111a377443
127054433a
134031951b
14256bc010
151720d36a
hexf079cde

252157150 has 48 divisors (see below), whose sum is σ = 545143680. Its totient is φ = 84981600.

The previous prime is 252157123. The next prime is 252157153. The reversal of 252157150 is 51751252.

It is a super-2 number, since 2×2521571502 = 127166456592245000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252157153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14545 + ... + 26755.

It is an arithmetic number, because the mean of its divisors is an integer number (11357160).

Almost surely, 2252157150 is an apocalyptic number.

252157150 is an abundant number, since it is smaller than the sum of its proper divisors (292986530).

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

252157150 is a wasteful number, since it uses less digits than its factorization.

252157150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12289 (or 12284 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 252157150 is about 15879.4568546912. The cubic root of 252157150 is about 631.7672308829.

The spelling of 252157150 in words is "two hundred fifty-two million, one hundred fifty-seven thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 59 70 118 175 295 350 413 590 826 1475 2065 2950 4130 10325 12211 20650 24422 61055 85477 122110 170954 305275 427385 610550 720449 854770 1440898 2136925 3602245 4273850 5043143 7204490 10086286 18011225 25215715 36022450 50431430 126078575 252157150