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252425656 = 23721737879
BaseRepresentation
bin11110000101110…
…11010110111000
3122120222112220101
433002323112320
51004110110111
641014205144
76153403600
oct1702732670
9576875811
10252425656
1111a54014a
12706537b4
13403b17c2
142574bc00
1517262bc1
hexf0bb5b8

252425656 has 48 divisors (see below), whose sum is σ = 582973200. Its totient is φ = 101816064.

The previous prime is 252425647. The next prime is 252425669. The reversal of 252425656 is 656524252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12276 + ... + 25603.

It is an arithmetic number, because the mean of its divisors is an integer number (12145275).

Almost surely, 2252425656 is an apocalyptic number.

It is an amenable number.

252425656 is an abundant number, since it is smaller than the sum of its proper divisors (330547544).

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

252425656 is a wasteful number, since it uses less digits than its factorization.

252425656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37916 (or 37905 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 252425656 is about 15887.9091135366. The cubic root of 252425656 is about 631.9913941572.

The spelling of 252425656 in words is "two hundred fifty-two million, four hundred twenty-five thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 17 28 34 49 56 68 98 119 136 196 238 392 476 833 952 1666 3332 6664 37879 75758 151516 265153 303032 530306 643943 1060612 1287886 1856071 2121224 2575772 3712142 4507601 5151544 7424284 9015202 14848568 18030404 31553207 36060808 63106414 126212828 252425656