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137442732 = 22371986117
BaseRepresentation
bin10000011000100…
…11010110101100
3100120121210222120
420030103112230
5240141131412
621345512540
73256146450
oct1014232654
9316553876
10137442732
1170645839
123a042750
132262337b
141437a660
15c0edb8c
hex83135ac

137442732 has 48 divisors (see below), whose sum is σ = 385808640. Its totient is φ = 37202112.

The previous prime is 137442709. The next prime is 137442743. The reversal of 137442732 is 237244731.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 137442693 and 137442702.

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, 41463 + ... + 44654.

It is an arithmetic number, because the mean of its divisors is an integer number (8037680).

Almost surely, 2137442732 is an apocalyptic number.

137442732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137442732 is an abundant number, since it is smaller than the sum of its proper divisors (248365908).

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

137442732 is a wasteful number, since it uses less digits than its factorization.

137442732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86150 (or 86148 counting only the distinct ones).

The product of its digits is 28224, while the sum is 33.

The square root of 137442732 is about 11723.5972295196. The cubic root of 137442732 is about 516.0683912715.

The spelling of 137442732 in words is "one hundred thirty-seven million, four hundred forty-two thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 86117 172234 258351 344468 516702 602819 1033404 1205638 1636223 1808457 2411276 3272446 3616914 4908669 6544892 7233828 9817338 11453561 19634676 22907122 34360683 45814244 68721366 137442732