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136885320 = 2332511132659
BaseRepresentation
bin10000010100010…
…11010001001000
3100112120111100200
420022023101020
5240020312240
621325532200
73251335365
oct1012132110
9315514320
10136885320
11702a4a70
1239a14060
1322489740
141427346c
15c03d930
hex828b448

136885320 has 192 divisors, whose sum is σ = 522849600. Its totient is φ = 30620160.

The previous prime is 136885319. The next prime is 136885321. The reversal of 136885320 is 23588631.

It is an interprime number because it is at equal distance from previous prime (136885319) and next prime (136885321).

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

It is not an unprimeable number, because it can be changed into a prime (136885321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50151 + ... + 52809.

It is an arithmetic number, because the mean of its divisors is an integer number (2723175).

Almost surely, 2136885320 is an apocalyptic number.

136885320 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 136885320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261424800).

136885320 is an abundant number, since it is smaller than the sum of its proper divisors (385964280).

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

136885320 is a wasteful number, since it uses less digits than its factorization.

136885320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2693 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 136885320 is about 11699.7999982906. The cubic root of 136885320 is about 515.3697912810.

The spelling of 136885320 in words is "one hundred thirty-six million, eight hundred eighty-five thousand, three hundred twenty".