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137983470 = 2359747417
BaseRepresentation
bin10000011100101…
…11010111101110
3100121122021201220
420032113113232
5240310432340
621405244210
73263561112
oct1016272756
9317567656
10137983470
1170985029
123a263666
1322782531
141447b742
15c1a8ed0
hex83975ee

137983470 has 32 divisors (see below), whose sum is σ = 334581408. Its totient is φ = 36415488.

The previous prime is 137983457. The next prime is 137983481. The reversal of 137983470 is 74389731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20799 + ... + 26618.

It is an arithmetic number, because the mean of its divisors is an integer number (10455669).

Almost surely, 2137983470 is an apocalyptic number.

137983470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137983470 is an abundant number, since it is smaller than the sum of its proper divisors (196597938).

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

137983470 is a wasteful number, since it uses less digits than its factorization.

137983470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47524.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 137983470 is about 11746.6365398781. The cubic root of 137983470 is about 516.7442912622.

The spelling of 137983470 in words is "one hundred thirty-seven million, nine hundred eighty-three thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 97 194 291 485 582 970 1455 2910 47417 94834 142251 237085 284502 474170 711255 1422510 4599449 9198898 13798347 22997245 27596694 45994490 68991735 137983470