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137677239 = 357292791
BaseRepresentation
bin10000011010011…
…00100110110111
3100121001201200000
420031030212313
5240221132424
621354522343
73261144240
oct1015144667
9317051600
10137677239
1170795a47
123a1363b3
13226a602b
14143dbcc7
15c1483c9
hex834c9b7

137677239 has 48 divisors (see below), whose sum is σ = 243909120. Its totient is φ = 75932640.

The previous prime is 137677229. The next prime is 137677247. The reversal of 137677239 is 932776731.

137677239 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 137677239 - 24 = 137677223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137677194 and 137677203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137677219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47934 + ... + 50724.

It is an arithmetic number, because the mean of its divisors is an integer number (5081440).

Almost surely, 2137677239 is an apocalyptic number.

137677239 is a deficient number, since it is larger than the sum of its proper divisors (106231881).

137677239 is an equidigital number, since it uses as much as digits as its factorization.

137677239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842 (or 2830 counting only the distinct ones).

The product of its digits is 333396, while the sum is 45.

The square root of 137677239 is about 11733.5944620564. The cubic root of 137677239 is about 516.3617325634.

The spelling of 137677239 in words is "one hundred thirty-seven million, six hundred seventy-seven thousand, two hundred thirty-nine".

Divisors: 1 3 7 9 21 27 29 63 81 87 189 203 243 261 567 609 783 1701 1827 2349 2791 5481 7047 8373 16443 19537 25119 49329 58611 75357 80939 175833 226071 242817 527499 566573 678213 728451 1582497 1699719 2185353 4747491 5099157 6556059 15297471 19668177 45892413 137677239