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131464212 = 22311995941
BaseRepresentation
bin1111101010111…
…11110000010100
3100011101001222220
413311133300110
5232123323322
621013422340
73154266405
oct765376024
9304331886
10131464212
1168232010
123803a9b0
132130c099
14136619ac
15b81c55c
hex7d5fc14

131464212 has 24 divisors (see below), whose sum is σ = 334636512. Its totient is φ = 39837600.

The previous prime is 131464169. The next prime is 131464231. The reversal of 131464212 is 212464131.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 497839 + ... + 498102.

It is an arithmetic number, because the mean of its divisors is an integer number (13943188).

Almost surely, 2131464212 is an apocalyptic number.

131464212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131464212 is an abundant number, since it is smaller than the sum of its proper divisors (203172300).

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

131464212 is a wasteful number, since it uses less digits than its factorization.

131464212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995959 (or 995957 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 131464212 is about 11465.7844040432. The cubic root of 131464212 is about 508.4745034297.

The spelling of 131464212 in words is "one hundred thirty-one million, four hundred sixty-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 995941 1991882 2987823 3983764 5975646 10955351 11951292 21910702 32866053 43821404 65732106 131464212