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136654720 = 275213523
BaseRepresentation
bin10000010010100…
…10111110000000
3100112010210000221
420021102332000
5234440422340
621320552424
73246355156
oct1011227600
9315123027
10136654720
1170157794
1239922714
13224087a7
14142133d6
15bee544a
hex8252f80

136654720 has 32 divisors (see below), whose sum is σ = 326691720. Its totient is φ = 54661632.

The previous prime is 136654657. The next prime is 136654747. The reversal of 136654720 is 27456631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106122 + ... + 107401.

Almost surely, 2136654720 is an apocalyptic number.

136654720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136654720 is an abundant number, since it is smaller than the sum of its proper divisors (190037000).

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

136654720 is an equidigital number, since it uses as much as digits as its factorization.

136654720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213542 (or 213530 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 136654720 is about 11689.9409750435. The cubic root of 136654720 is about 515.0802275491.

The spelling of 136654720 in words is "one hundred thirty-six million, six hundred fifty-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 213523 427046 854092 1067615 1708184 2135230 3416368 4270460 6832736 8540920 13665472 17081840 27330944 34163680 68327360 136654720