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137797473 = 311291091321
BaseRepresentation
bin10000011011010…
…01111101100001
3100121021211121010
420031221331201
5240234004343
621401251133
73262154622
oct1015517541
9317254533
10137797473
1170868310
123a193aa9
1322718988
141442da49
15c16dd33
hex8369f61

137797473 has 32 divisors (see below), whose sum is σ = 209404800. Its totient is φ = 79833600.

The previous prime is 137797463. The next prime is 137797547. The reversal of 137797473 is 374797731.

137797473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137797473 - 29 = 137796961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137797453) 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, 103653 + ... + 104973.

It is an arithmetic number, because the mean of its divisors is an integer number (6543900).

Almost surely, 2137797473 is an apocalyptic number.

It is an amenable number.

137797473 is a deficient number, since it is larger than the sum of its proper divisors (71607327).

137797473 is a wasteful number, since it uses less digits than its factorization.

137797473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its digits is 777924, while the sum is 48.

The square root of 137797473 is about 11738.7168378831. The cubic root of 137797473 is about 516.5120023126.

The spelling of 137797473 in words is "one hundred thirty-seven million, seven hundred ninety-seven thousand, four hundred seventy-three".

Divisors: 1 3 11 29 33 87 109 319 327 957 1199 1321 3161 3597 3963 9483 14531 34771 38309 43593 104313 114927 143989 421399 431967 1264197 1583879 4175681 4751637 12527043 45932491 137797473