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136225512 = 23321892021
BaseRepresentation
bin10000001111010…
…10001011101000
3100111022222021100
420013222023220
5234333204022
621303441400
73242616633
oct1007521350
9314288240
10136225512
116a994275
1239756260
13222b8317
1414140c1a
15be5d1ac
hex81ea2e8

136225512 has 24 divisors (see below), whose sum is σ = 368944290. Its totient is φ = 45408480.

The previous prime is 136225511. The next prime is 136225517. The reversal of 136225512 is 215522631.

It is a happy number.

136225512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 133957476 + 2268036 = 11574^2 + 1506^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (136225511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 945939 + ... + 946082.

Almost surely, 2136225512 is an apocalyptic number.

136225512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136225512 is an abundant number, since it is smaller than the sum of its proper divisors (232718778).

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

136225512 is a wasteful number, since it uses less digits than its factorization.

136225512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892033 (or 1892026 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 136225512 is about 11671.5685321211. The cubic root of 136225512 is about 514.5404037436.

The spelling of 136225512 in words is "one hundred thirty-six million, two hundred twenty-five thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1892021 3784042 5676063 7568084 11352126 15136168 17028189 22704252 34056378 45408504 68112756 136225512