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137542860 = 22355713311
BaseRepresentation
bin10000011001010…
…11110011001100
3100120210220100000
420030223303030
5240202332420
621352004300
73260044410
oct1014536314
9316726300
10137542860
1170703a94
123a090690
1322659b10
14143a4d40
15c11d690
hex832bccc

137542860 has 288 divisors, whose sum is σ = 534223872. Its totient is φ = 28926720.

The previous prime is 137542837. The next prime is 137542891. The reversal of 137542860 is 68245731.

137542860 is a `hidden beast` number, since 1 + 37 + 542 + 86 + 0 = 666.

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

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 442105 + ... + 442415.

It is an arithmetic number, because the mean of its divisors is an integer number (1854944).

Almost surely, 2137542860 is an apocalyptic number.

137542860 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 137542860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267111936).

137542860 is an abundant number, since it is smaller than the sum of its proper divisors (396681012).

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

137542860 is a wasteful number, since it uses less digits than its factorization.

137542860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 137542860 is about 11727.8668137049. The cubic root of 137542860 is about 516.1936806730.

The spelling of 137542860 in words is "one hundred thirty-seven million, five hundred forty-two thousand, eight hundred sixty".