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137031740 = 2256851587
BaseRepresentation
bin10000010101011…
…11000000111100
3100112211221012122
420022233000330
5240040003430
621333022112
73252515306
oct1012570074
9315757178
10137031740
1170394a7a
1239a84938
132250b291
14142b0976
15c06bee5
hex82af03c

137031740 has 12 divisors (see below), whose sum is σ = 287766696. Its totient is φ = 54812688.

The previous prime is 137031721. The next prime is 137031751. The reversal of 137031740 is 47130731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3425774 + ... + 3425813.

It is an arithmetic number, because the mean of its divisors is an integer number (23980558).

Almost surely, 2137031740 is an apocalyptic number.

137031740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137031740 is an abundant number, since it is smaller than the sum of its proper divisors (150734956).

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

137031740 is a wasteful number, since it uses less digits than its factorization.

137031740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851596 (or 6851594 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 137031740 is about 11706.0556978002. The cubic root of 137031740 is about 515.5534816754.

The spelling of 137031740 in words is "one hundred thirty-seven million, thirty-one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 6851587 13703174 27406348 34257935 68515870 137031740