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137472530 = 25131079883
BaseRepresentation
bin10000011000110…
…10101000010010
3100120200022212012
420030122220102
5240143110110
621350302522
73256332356
oct1014325022
9316608765
10137472530
1170666168
123a057a42
1322633ac0
1414387466
15c107905
hex831aa12

137472530 has 32 divisors (see below), whose sum is σ = 269002944. Its totient is φ = 50279616.

The previous prime is 137472527. The next prime is 137472539. The reversal of 137472530 is 35274731.

It is not an unprimeable number, because it can be changed into a prime (137472539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8969 + ... + 18851.

It is an arithmetic number, because the mean of its divisors is an integer number (8406342).

Almost surely, 2137472530 is an apocalyptic number.

137472530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137472530 is a deficient number, since it is larger than the sum of its proper divisors (131530414).

137472530 is a wasteful number, since it uses less digits than its factorization.

137472530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 137472530 is about 11724.8680163147. The cubic root of 137472530 is about 516.1056836393.

The spelling of 137472530 in words is "one hundred thirty-seven million, four hundred seventy-two thousand, five hundred thirty".

Divisors: 1 2 5 10 13 26 65 107 130 214 535 1070 1391 2782 6955 9883 13910 19766 49415 98830 128479 256958 642395 1057481 1284790 2114962 5287405 10574810 13747253 27494506 68736265 137472530