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137507384 = 23715672
BaseRepresentation
bin10000011001000…
…11001000111000
3100120202002200002
420030203020320
5240200214014
621351132132
73256536110
oct1014431070
9316662602
10137507384
117068a373
123a074048
1322646921
1414396040
15c112dde
hex8323238

137507384 has 24 divisors (see below), whose sum is σ = 294846840. Its totient is φ = 58894128.

The previous prime is 137507371. The next prime is 137507431. The reversal of 137507384 is 483705731.

137507384 is nontrivially palindromic in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86969 + ... + 88535.

It is an arithmetic number, because the mean of its divisors is an integer number (12285285).

Almost surely, 2137507384 is an apocalyptic number.

137507384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

137507384 is an abundant number, since it is smaller than the sum of its proper divisors (157339456).

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

137507384 is an frugal number, since it uses more digits than its factorization.

137507384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 137507384 is about 11726.3542501495. The cubic root of 137507384 is about 516.1492967826.

The spelling of 137507384 in words is "one hundred thirty-seven million, five hundred seven thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 56 1567 3134 6268 10969 12536 21938 43876 87752 2455489 4910978 9821956 17188423 19643912 34376846 68753692 137507384