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136388112 = 2437405917
BaseRepresentation
bin10000010000100…
…01111000010000
3100111122020022120
420020101320100
5234403404422
621311134240
73244164660
oct1010217020
9314566276
10136388112
116aa95453
1239814380
1322344333
14141841a0
15be9145c
hex8211e10

136388112 has 40 divisors (see below), whose sum is σ = 402670656. Its totient is φ = 38967936.

The previous prime is 136388069. The next prime is 136388113. The reversal of 136388112 is 211883631.

136388112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (136388113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202623 + ... + 203294.

Almost surely, 2136388112 is an apocalyptic number.

136388112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136388112 is an abundant number, since it is smaller than the sum of its proper divisors (266282544).

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

136388112 is a wasteful number, since it uses less digits than its factorization.

136388112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405935 (or 405929 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 136388112 is about 11678.5320995406. The cubic root of 136388112 is about 514.7450423682.

The spelling of 136388112 in words is "one hundred thirty-six million, three hundred eighty-eight thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 405917 811834 1217751 1623668 2435502 2841419 3247336 4871004 5682838 6494672 8524257 9742008 11365676 17048514 19484016 22731352 34097028 45462704 68194056 136388112