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252936228 = 223163129313
BaseRepresentation
bin11110001001110…
…00000000100100
3122121221111021110
433010320000210
51004222424403
641033145020
76160631256
oct1704700044
9577844243
10252936228
1111a859806
127085b170
134053000c
1425841cd6
1517314103
hexf138024

252936228 has 24 divisors (see below), whose sum is σ = 593809888. Its totient is φ = 83794176.

The previous prime is 252936209. The next prime is 252936269. The reversal of 252936228 is 822639252.

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, 62701 + ... + 66612.

Almost surely, 2252936228 is an apocalyptic number.

It is an amenable number.

252936228 is an abundant number, since it is smaller than the sum of its proper divisors (340873660).

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

252936228 is a wasteful number, since it uses less digits than its factorization.

252936228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129483 (or 129481 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 252936228 is about 15903.9689386015. The cubic root of 252936228 is about 632.4172090337.

The spelling of 252936228 in words is "two hundred fifty-two million, nine hundred thirty-six thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 163 326 489 652 978 1956 129313 258626 387939 517252 775878 1551756 21078019 42156038 63234057 84312076 126468114 252936228