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252312612 = 22328374297
BaseRepresentation
bin11110000100111…
…11110000100100
3122120202210211120
433002133300210
51004043000422
641011533540
76152423166
oct1702376044
9576683746
10252312612
1111a473222
12705ba2b0
1340372206
142571c936
151723e45c
hexf09fc24

252312612 has 24 divisors (see below), whose sum is σ = 590817696. Its totient is φ = 83805888.

The previous prime is 252312607. The next prime is 252312637. The reversal of 252312612 is 216213252.

252312612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 33753 + ... + 40544.

It is an arithmetic number, because the mean of its divisors is an integer number (24617404).

Almost surely, 2252312612 is an apocalyptic number.

It is an amenable number.

252312612 is an abundant number, since it is smaller than the sum of its proper divisors (338505084).

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

252312612 is a wasteful number, since it uses less digits than its factorization.

252312612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74587 (or 74585 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 252312612 is about 15884.3511671078. The cubic root of 252312612 is about 631.8970383197.

Adding to 252312612 its reverse (216213252), we get a palindrome (468525864).

The spelling of 252312612 in words is "two hundred fifty-two million, three hundred twelve thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 283 566 849 1132 1698 3396 74297 148594 222891 297188 445782 891564 21026051 42052102 63078153 84104204 126156306 252312612