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137304297 = 32131173541
BaseRepresentation
bin10000010111100…
…01100011101001
3100120100210002100
420023301203221
5240122214142
621342524013
73255032034
oct1013614351
9316323070
10137304297
1170560829
1239b96609
13225a5360
141434201b
15c0c2b4c
hex82f18e9

137304297 has 12 divisors (see below), whose sum is σ = 213584644. Its totient is φ = 84494880.

The previous prime is 137304287. The next prime is 137304331. The reversal of 137304297 is 792403731.

It can be written as a sum of positive squares in 2 ways, for example, as 64304361 + 72999936 = 8019^2 + 8544^2 .

It is not a de Polignac number, because 137304297 - 24 = 137304281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137304287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586654 + ... + 586887.

Almost surely, 2137304297 is an apocalyptic number.

It is an amenable number.

137304297 is a deficient number, since it is larger than the sum of its proper divisors (76280347).

137304297 is a wasteful number, since it uses less digits than its factorization.

137304297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173560 (or 1173557 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 137304297 is about 11717.6916242065. The cubic root of 137304297 is about 515.8950683511.

The spelling of 137304297 in words is "one hundred thirty-seven million, three hundred four thousand, two hundred ninety-seven".

Divisors: 1 3 9 13 39 117 1173541 3520623 10561869 15256033 45768099 137304297