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136969560 = 2332571337113
BaseRepresentation
bin10000010100111…
…11110101011000
3100112201202220200
420022133311120
5240031011220
621331422200
73252136110
oct1012376530
9315652820
10136969560
1170352292
1239a54960
13224b8ba0
1414296040
15c058890
hex829fd58

136969560 has 384 divisors, whose sum is σ = 567665280. Its totient is φ = 27869184.

The previous prime is 136969549. The next prime is 136969603. The reversal of 136969560 is 65969631.

136969560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1212064 + ... + 1212176.

It is an arithmetic number, because the mean of its divisors is an integer number (1478295).

Almost surely, 2136969560 is an apocalyptic number.

136969560 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 136969560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283832640).

136969560 is an abundant number, since it is smaller than the sum of its proper divisors (430695720).

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

136969560 is a wasteful number, since it uses less digits than its factorization.

136969560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 136969560 is about 11703.3995061264. The cubic root of 136969560 is about 515.4754900960.

The spelling of 136969560 in words is "one hundred thirty-six million, nine hundred sixty-nine thousand, five hundred sixty".