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131356002 = 2329374719
BaseRepresentation
bin1111101010001…
…01010101100010
3100011011120120010
413311011111202
5232111343002
621011225350
73153336051
oct765052542
9304146503
10131356002
1168168788
1237ba8256
13212a1a5b
1413634398
15b7ea46c
hex7d45562

131356002 has 16 divisors (see below), whose sum is σ = 263612160. Its totient is φ = 43635312.

The previous prime is 131355989. The next prime is 131356019. The reversal of 131356002 is 200653131.

It is a super-2 number, since 2×1313560022 = 34508798522848008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131356002.

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, 35602 + ... + 39117.

It is an arithmetic number, because the mean of its divisors is an integer number (16475760).

Almost surely, 2131356002 is an apocalyptic number.

131356002 is an abundant number, since it is smaller than the sum of its proper divisors (132256158).

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

131356002 is a wasteful number, since it uses less digits than its factorization.

131356002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75017.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 131356002 is about 11461.0646102358. The cubic root of 131356002 is about 508.3349543500.

The spelling of 131356002 in words is "one hundred thirty-one million, three hundred fifty-six thousand, two".

Divisors: 1 2 3 6 293 586 879 1758 74719 149438 224157 448314 21892667 43785334 65678001 131356002