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136620960 = 2535773557
BaseRepresentation
bin10000010010010…
…10101110100000
3100112002001201120
420021022232200
5234433332320
621320132240
73246154560
oct1011125640
9315061646
10136620960
1170134393
1239907080
13223c6308
1414204da0
15beda440
hex824aba0

136620960 has 192 divisors, whose sum is σ = 499468032. Its totient is φ = 30744576.

The previous prime is 136620947. The next prime is 136620961. The reversal of 136620960 is 69026631.

It is a happy number.

It is a super-2 number, since 2×1366209602 = 37330573422643200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136620961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245002 + ... + 245558.

It is an arithmetic number, because the mean of its divisors is an integer number (2601396).

Almost surely, 2136620960 is an apocalyptic number.

136620960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136620960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249734016).

136620960 is an abundant number, since it is smaller than the sum of its proper divisors (362847072).

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

136620960 is a wasteful number, since it uses less digits than its factorization.

136620960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 136620960 is about 11688.4969093549. The cubic root of 136620960 is about 515.0378078882.

The spelling of 136620960 in words is "one hundred thirty-six million, six hundred twenty thousand, nine hundred sixty".