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137894463 = 32717199647
BaseRepresentation
bin10000011100000…
…01101000111111
3100121110202122100
420032001220333
5240300110323
621403320143
73263040450
oct1016015077
9317422570
10137894463
1170924173
123a220053
1322750b75
1414457127
15c18c943
hex8381a3f

137894463 has 48 divisors (see below), whose sum is σ = 242611200. Its totient is φ = 73675008.

The previous prime is 137894461. The next prime is 137894489. The reversal of 137894463 is 364498731.

It is not a de Polignac number, because 137894463 - 21 = 137894461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137894461) 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 47 ways as a sum of consecutive naturals, for example, 212806 + ... + 213452.

It is an arithmetic number, because the mean of its divisors is an integer number (5054400).

Almost surely, 2137894463 is an apocalyptic number.

137894463 is a deficient number, since it is larger than the sum of its proper divisors (104716737).

137894463 is a wasteful number, since it uses less digits than its factorization.

137894463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 873 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 137894463 is about 11742.8473123004. The cubic root of 137894463 is about 516.6331577759.

The spelling of 137894463 in words is "one hundred thirty-seven million, eight hundred ninety-four thousand, four hundred sixty-three".

Divisors: 1 3 7 9 17 21 51 63 119 153 199 357 597 647 1071 1393 1791 1941 3383 4179 4529 5823 10149 10999 12537 13587 23681 30447 32997 40761 71043 76993 98991 128753 213129 230979 386259 692937 901271 1158777 2188801 2703813 6566403 8111439 15321607 19699209 45964821 137894463