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131895164 = 22533591733
BaseRepresentation
bin1111101110010…
…00111101111100
3100012011222011002
413313020331330
5232231121124
621030545432
73161043002
oct767107574
9305158132
10131895164
11684a6875
1238208278
132143029b
1413734a72
15b8a50ae
hex7dc8f7c

131895164 has 24 divisors (see below), whose sum is σ = 235962720. Its totient is φ = 64485824.

The previous prime is 131895157. The next prime is 131895187. The reversal of 131895164 is 461598131.

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, 75242 + ... + 76974.

It is an arithmetic number, because the mean of its divisors is an integer number (9831780).

Almost surely, 2131895164 is an apocalyptic number.

It is an amenable number.

131895164 is a deficient number, since it is larger than the sum of its proper divisors (104067556).

131895164 is a wasteful number, since it uses less digits than its factorization.

131895164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149 (or 2147 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 131895164 is about 11484.5619855526. The cubic root of 131895164 is about 509.0295064356.

The spelling of 131895164 in words is "one hundred thirty-one million, eight hundred ninety-five thousand, one hundred sixty-four".

Divisors: 1 2 4 53 106 212 359 718 1436 1733 3466 6932 19027 38054 76108 91849 183698 367396 622147 1244294 2488588 32973791 65947582 131895164