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136457272 = 2379725121
BaseRepresentation
bin10000010001000…
…10110000111000
3100111202202012001
420020202300320
5234413113042
621312430344
73244603420
oct1010426070
9314682161
10136457272
1170032406
12398483b4
1322369963
14141a1480
15bea6bb7
hex8222c38

136457272 has 32 divisors (see below), whose sum is σ = 295434720. Its totient is φ = 57876480.

The previous prime is 136457261. The next prime is 136457281. The reversal of 136457272 is 272754631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7129 + ... + 17992.

It is an arithmetic number, because the mean of its divisors is an integer number (9232335).

Almost surely, 2136457272 is an apocalyptic number.

It is an amenable number.

136457272 is an abundant number, since it is smaller than the sum of its proper divisors (158977448).

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

136457272 is a wasteful number, since it uses less digits than its factorization.

136457272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25231 (or 25227 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 136457272 is about 11681.4927128343. The cubic root of 136457272 is about 514.8320337024.

The spelling of 136457272 in words is "one hundred thirty-six million, four hundred fifty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 97 194 388 679 776 1358 2716 5432 25121 50242 100484 175847 200968 351694 703388 1406776 2436737 4873474 9746948 17057159 19493896 34114318 68228636 136457272