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136393192 = 23131311473
BaseRepresentation
bin10000010000100…
…11000111101000
3100111122111021201
420020103013220
5234404040232
621311213544
73244215535
oct1010230750
9314574251
10136393192
116aa99251
12398172b4
1322346740
1414185d8c
15be92be7
hex82131e8

136393192 has 16 divisors (see below), whose sum is σ = 275409540. Its totient is φ = 62950656.

The previous prime is 136393181. The next prime is 136393217. The reversal of 136393192 is 291393631.

It can be written as a sum of positive squares in 2 ways, for example, as 135629316 + 763876 = 11646^2 + 874^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655633 + ... + 655840.

Almost surely, 2136393192 is an apocalyptic number.

It is an amenable number.

136393192 is an abundant number, since it is smaller than the sum of its proper divisors (139016348).

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

136393192 is a wasteful number, since it uses less digits than its factorization.

136393192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311492 (or 1311488 counting only the distinct ones).

The product of its digits is 26244, while the sum is 37.

The square root of 136393192 is about 11678.7495906026. The cubic root of 136393192 is about 514.7514331313.

The spelling of 136393192 in words is "one hundred thirty-six million, three hundred ninety-three thousand, one hundred ninety-two".

Divisors: 1 2 4 8 13 26 52 104 1311473 2622946 5245892 10491784 17049149 34098298 68196596 136393192