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137492943 = 3779179463
BaseRepresentation
bin10000011000111…
…11100111001111
3100120201100212020
420030133213033
5240144233233
621350541223
73256446030
oct1014374717
9316640766
10137492943
117067a535
123a067813
1322640193
1414390a87
15c10d9b3
hex831f9cf

137492943 has 32 divisors (see below), whose sum is σ = 213811200. Its totient is φ = 76972896.

The previous prime is 137492939. The next prime is 137492947. The reversal of 137492943 is 349294731.

It is an interprime number because it is at equal distance from previous prime (137492939) and next prime (137492947).

It is not a de Polignac number, because 137492943 - 22 = 137492939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137492895 and 137492904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137492947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296730 + ... + 297192.

It is an arithmetic number, because the mean of its divisors is an integer number (6681600).

Almost surely, 2137492943 is an apocalyptic number.

137492943 is a deficient number, since it is larger than the sum of its proper divisors (76318257).

137492943 is a wasteful number, since it uses less digits than its factorization.

137492943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731.

The product of its digits is 163296, while the sum is 42.

The square root of 137492943 is about 11725.7384842064. The cubic root of 137492943 is about 516.1312275156.

The spelling of 137492943 in words is "one hundred thirty-seven million, four hundred ninety-two thousand, nine hundred forty-three".

Divisors: 1 3 7 21 79 179 237 463 537 553 1253 1389 1659 3241 3759 9723 14141 36577 42423 82877 98987 109731 248631 256039 296961 580139 768117 1740417 6547283 19641849 45830981 137492943