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138914710 = 25112354907
BaseRepresentation
bin10000100011110…
…10101110010110
3100200101121011021
420101322232112
5241030232320
621441231354
73304520104
oct1021725626
9320347137
10138914710
1171460750
123a63255a
1322a1a36c
1414640c74
15c2dedaa
hex847ab96

138914710 has 32 divisors (see below), whose sum is σ = 284643072. Its totient is φ = 48317280.

The previous prime is 138914707. The next prime is 138914731. The reversal of 138914710 is 17419831.

138914710 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1389147103 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24924 + ... + 29983.

It is an arithmetic number, because the mean of its divisors is an integer number (8895096).

Almost surely, 2138914710 is an apocalyptic number.

138914710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138914710 is an abundant number, since it is smaller than the sum of its proper divisors (145728362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138914710 is a wasteful number, since it uses less digits than its factorization.

138914710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54948.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 138914710 is about 11786.2084658299. The cubic root of 138914710 is about 517.9041752153.

The spelling of 138914710 in words is "one hundred thirty-eight million, nine hundred fourteen thousand, seven hundred ten".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 230 253 506 1265 2530 54907 109814 274535 549070 603977 1207954 1262861 2525722 3019885 6039770 6314305 12628610 13891471 27782942 69457355 138914710