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252230168 = 23192957221
BaseRepresentation
bin11110000100010…
…11101000011000
3122120121121202002
433002023220120
51004032331133
641010100132
76151630631
oct1702135030
9576547662
10252230168
1111a417293
127057a648
1340343828
14256da888
1517224ce8
hexf08ba18

252230168 has 32 divisors (see below), whose sum is σ = 514998000. Its totient is φ = 115355520.

The previous prime is 252230161. The next prime is 252230177. The reversal of 252230168 is 861032252.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 252230168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252230161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24203 + ... + 33018.

Almost surely, 2252230168 is an apocalyptic number.

It is an amenable number.

252230168 is an abundant number, since it is smaller than the sum of its proper divisors (262767832).

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

252230168 is a wasteful number, since it uses less digits than its factorization.

252230168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57275 (or 57271 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 252230168 is about 15881.7558223264. The cubic root of 252230168 is about 631.8282059900.

The spelling of 252230168 in words is "two hundred fifty-two million, two hundred thirty thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 19 29 38 58 76 116 152 232 551 1102 2204 4408 57221 114442 228884 457768 1087199 1659409 2174398 3318818 4348796 6637636 8697592 13275272 31528771 63057542 126115084 252230168