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131352556 = 22711134093
BaseRepresentation
bin1111101010001…
…00011111101100
3100011011101211111
413311010133230
5232111240211
621011201404
73153323026
oct765043754
9304141744
10131352556
1168166135
1237ba6264
13212a030a
1413633016
15b7e9421
hex7d447ec

131352556 has 24 divisors (see below), whose sum is σ = 235224864. Its totient is φ = 64162560.

The previous prime is 131352547. The next prime is 131352577. The reversal of 131352556 is 655253131.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 30046 + ... + 34138.

It is an arithmetic number, because the mean of its divisors is an integer number (9801036).

Almost surely, 2131352556 is an apocalyptic number.

It is an amenable number.

131352556 is a deficient number, since it is larger than the sum of its proper divisors (103872308).

131352556 is a wasteful number, since it uses less digits than its factorization.

131352556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281 (or 4279 counting only the distinct ones).

The product of its digits is 13500, while the sum is 31.

The square root of 131352556 is about 11460.9142741755. The cubic root of 131352556 is about 508.3305090828.

It can be divided in two parts, 13 and 1352556, that added together give a square (1352569 = 11632).

The spelling of 131352556 in words is "one hundred thirty-one million, three hundred fifty-two thousand, five hundred fifty-six".

Divisors: 1 2 4 71 113 142 226 284 452 4093 8023 8186 16046 16372 32092 290603 462509 581206 925018 1162412 1850036 32838139 65676278 131352556