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137899080 = 233251197359
BaseRepresentation
bin10000011100000…
…10110001001000
3100121110222222100
420032002301020
5240300232310
621403353400
73263060064
oct1016026110
9317428870
10137899080
1170927690
123a222860
1322752cb7
1414458aa4
15c18dec0
hex8382c48

137899080 has 192 divisors, whose sum is σ = 495331200. Its totient is φ = 32993280.

The previous prime is 137899051. The next prime is 137899103. The reversal of 137899080 is 80998731.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383941 + ... + 384299.

It is an arithmetic number, because the mean of its divisors is an integer number (2579850).

Almost surely, 2137899080 is an apocalyptic number.

137899080 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 137899080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247665600).

137899080 is an abundant number, since it is smaller than the sum of its proper divisors (357432120).

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

137899080 is a wasteful number, since it uses less digits than its factorization.

137899080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 137899080 is about 11743.0438984107. The cubic root of 137899080 is about 516.6389237040.

The spelling of 137899080 in words is "one hundred thirty-seven million, eight hundred ninety-nine thousand, eighty".