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136924920 = 233251171487
BaseRepresentation
bin10000010100101…
…00111011111000
3100112122111200100
420022110323320
5240023044140
621330435400
73251562006
oct1012247370
9315574610
10136924920
11703217a0
1239a32b60
13224a1782
1414283a76
15c04a530
hex8294ef8

136924920 has 192 divisors, whose sum is σ = 493309440. Its totient is φ = 32659200.

The previous prime is 136924897. The next prime is 136924927. The reversal of 136924920 is 29429631.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136924927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280917 + ... + 281403.

It is an arithmetic number, because the mean of its divisors is an integer number (2569320).

Almost surely, 2136924920 is an apocalyptic number.

136924920 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 136924920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246654720).

136924920 is an abundant number, since it is smaller than the sum of its proper divisors (356384520).

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

136924920 is a wasteful number, since it uses less digits than its factorization.

136924920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 136924920 is about 11701.4922125343. The cubic root of 136924920 is about 515.4194841578.

The spelling of 136924920 in words is "one hundred thirty-six million, nine hundred twenty-four thousand, nine hundred twenty".