Search a number
-
+
131085546 = 2331704761
BaseRepresentation
bin1111101000000…
…11010011101010
3100010122211120020
413310003103222
5232024214141
621001341310
73151131414
oct764032352
9303584506
10131085546
1167aa3569
1237a97836
1321208917
14135a39b4
15b795266
hex7d034ea

131085546 has 16 divisors (see below), whose sum is σ = 270628608. Its totient is φ = 42285600.

The previous prime is 131085527. The next prime is 131085557. The reversal of 131085546 is 645580131.

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, 352195 + ... + 352566.

It is an arithmetic number, because the mean of its divisors is an integer number (16914288).

Almost surely, 2131085546 is an apocalyptic number.

131085546 is an abundant number, since it is smaller than the sum of its proper divisors (139543062).

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

131085546 is a wasteful number, since it uses less digits than its factorization.

131085546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704797.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 131085546 is about 11449.2596267182. The cubic root of 131085546 is about 507.9858351600.

The spelling of 131085546 in words is "one hundred thirty-one million, eighty-five thousand, five hundred forty-six".

Divisors: 1 2 3 6 31 62 93 186 704761 1409522 2114283 4228566 21847591 43695182 65542773 131085546