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136415660 = 2256820783
BaseRepresentation
bin10000010000110…
…00100110101100
3100111200122002212
420020120212230
5234410300120
621311505552
73244341203
oct1010304654
9314618085
10136415660
1170004117
12398282b8
1322353a34
141419023a
15be996c5
hex82189ac

136415660 has 12 divisors (see below), whose sum is σ = 286472928. Its totient is φ = 54566256.

The previous prime is 136415647. The next prime is 136415663. The reversal of 136415660 is 66514631.

136415660 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (136415663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3410372 + ... + 3410411.

It is an arithmetic number, because the mean of its divisors is an integer number (23872744).

Almost surely, 2136415660 is an apocalyptic number.

136415660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136415660 is an abundant number, since it is smaller than the sum of its proper divisors (150057268).

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

136415660 is a wasteful number, since it uses less digits than its factorization.

136415660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6820792 (or 6820790 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 136415660 is about 11679.7114690390. The cubic root of 136415660 is about 514.7796965171.

The spelling of 136415660 in words is "one hundred thirty-six million, four hundred fifteen thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 6820783 13641566 27283132 34103915 68207830 136415660