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252133568 = 2647109769
BaseRepresentation
bin11110000011101…
…00000011000000
3122120102201020022
433001310003000
51004021233233
641004033012
76151046201
oct1701640300
9576381208
10252133568
1111a360755
1270532768
134030b87b
14256b35a8
1517206398
hexf0740c0

252133568 has 56 divisors (see below), whose sum is σ = 516331200. Its totient is φ = 122093568.

The previous prime is 252133547. The next prime is 252133603. The reversal of 252133568 is 865331252.

It is a super-2 number, since 2×2521335682 = 127142672224821248, which contains 22 as substring.

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, 327488 + ... + 328256.

It is an arithmetic number, because the mean of its divisors is an integer number (9220200).

Almost surely, 2252133568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252133568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258165600).

252133568 is an abundant number, since it is smaller than the sum of its proper divisors (264197632).

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

252133568 is a wasteful number, since it uses less digits than its factorization.

252133568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 927 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 252133568 is about 15878.7143056357. The cubic root of 252133568 is about 631.7475357586.

The spelling of 252133568 in words is "two hundred fifty-two million, one hundred thirty-three thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 32 47 64 94 109 188 218 376 436 752 769 872 1504 1538 1744 3008 3076 3488 5123 6152 6976 10246 12304 20492 24608 36143 40984 49216 72286 81968 83821 144572 163936 167642 289144 327872 335284 578288 670568 1156576 1341136 2313152 2682272 3939587 5364544 7879174 15758348 31516696 63033392 126066784 252133568