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138882674 = 2771139721
BaseRepresentation
bin10000100011100…
…10111001110010
3100200022222012202
420101302321302
5241023221144
621440423202
73304324520
oct1021627162
9320288182
10138882674
1171439677
123a617b02
1322a088c8
1414633310
15c2d564e
hex8472e72

138882674 has 16 divisors (see below), whose sum is σ = 241439616. Its totient is φ = 58682400.

The previous prime is 138882659. The next prime is 138882691. The reversal of 138882674 is 476288831.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 68867 + ... + 70854.

It is an arithmetic number, because the mean of its divisors is an integer number (15089976).

Almost surely, 2138882674 is an apocalyptic number.

138882674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138882674 is a deficient number, since it is larger than the sum of its proper divisors (102556942).

138882674 is a wasteful number, since it uses less digits than its factorization.

138882674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139801.

The product of its digits is 516096, while the sum is 47.

The square root of 138882674 is about 11784.8493414214. The cubic root of 138882674 is about 517.8643597685.

The spelling of 138882674 in words is "one hundred thirty-eight million, eight hundred eighty-two thousand, six hundred seventy-four".

Divisors: 1 2 7 14 71 142 497 994 139721 279442 978047 1956094 9920191 19840382 69441337 138882674