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136816456 = 2372443151
BaseRepresentation
bin10000010011110…
…10011101001000
3100112102222220011
420021322131020
5240011111311
621324241304
73250630540
oct1011723510
9315388804
10136816456
1170258257
12399a0234
13224642aa
1414256320
15c028321
hex827a748

136816456 has 16 divisors (see below), whose sum is σ = 293178240. Its totient is φ = 58635600.

The previous prime is 136816451. The next prime is 136816481. The reversal of 136816456 is 654618631.

It is not an unprimeable number, because it can be changed into a prime (136816451) 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, 1221520 + ... + 1221631.

It is an arithmetic number, because the mean of its divisors is an integer number (18323640).

Almost surely, 2136816456 is an apocalyptic number.

It is an amenable number.

136816456 is an abundant number, since it is smaller than the sum of its proper divisors (156361784).

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

136816456 is a wasteful number, since it uses less digits than its factorization.

136816456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443164 (or 2443160 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 136816456 is about 11696.8566717730. The cubic root of 136816456 is about 515.2833530409.

The spelling of 136816456 in words is "one hundred thirty-six million, eight hundred sixteen thousand, four hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 2443151 4886302 9772604 17102057 19545208 34204114 68408228 136816456