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136085976 = 233213145391
BaseRepresentation
bin10000001110010…
…00000111011000
3100111001212212100
420013020013120
5234314222401
621300443400
73241466055
oct1007100730
9314055770
10136085976
116a8a9454
12396a9560
1322269960
141410602c
15be31b86
hex81c81d8

136085976 has 48 divisors (see below), whose sum is σ = 396920160. Its totient is φ = 41872320.

The previous prime is 136085959. The next prime is 136085977. The reversal of 136085976 is 679580631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136085977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71760 + ... + 73631.

It is an arithmetic number, because the mean of its divisors is an integer number (8269170).

Almost surely, 2136085976 is an apocalyptic number.

It is an amenable number.

136085976 is an abundant number, since it is smaller than the sum of its proper divisors (260834184).

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

136085976 is a wasteful number, since it uses less digits than its factorization.

136085976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145416 (or 145409 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 136085976 is about 11665.5893978830. The cubic root of 136085976 is about 514.3646622187.

The spelling of 136085976 in words is "one hundred thirty-six million, eighty-five thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 145391 290782 436173 581564 872346 1163128 1308519 1744692 1890083 2617038 3489384 3780166 5234076 5670249 7560332 10468152 11340498 15120664 17010747 22680996 34021494 45361992 68042988 136085976