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136188882 = 23227127919
BaseRepresentation
bin10000001111000…
…01001111010010
3100111021010000200
420013201033102
5234331021012
621303000030
73242405064
oct1007411722
9314233020
10136188882
116a9697a5
1239739016
13222a474b
1414131734
15be523dc
hex81e13d2

136188882 has 24 divisors (see below), whose sum is σ = 296175360. Its totient is φ = 45227160.

The previous prime is 136188847. The next prime is 136188883. The reversal of 136188882 is 288881631.

It is not an unprimeable number, because it can be changed into a prime (136188883) 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, 9082 + ... + 18837.

It is an arithmetic number, because the mean of its divisors is an integer number (12340640).

Almost surely, 2136188882 is an apocalyptic number.

136188882 is an abundant number, since it is smaller than the sum of its proper divisors (159986478).

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

136188882 is a wasteful number, since it uses less digits than its factorization.

136188882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28198 (or 28195 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 136188882 is about 11669.9992287917. Note that the first 3 decimals coincide. The cubic root of 136188882 is about 514.4942809475.

It can be divided in two parts, 13618 and 8882, that added together give a square (22500 = 1502).

The spelling of 136188882 in words is "one hundred thirty-six million, one hundred eighty-eight thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 9 18 271 542 813 1626 2439 4878 27919 55838 83757 167514 251271 502542 7566049 15132098 22698147 45396294 68094441 136188882