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138800364 = 22361318869
BaseRepresentation
bin10000100010111…
…10110011101100
3100200011210022020
420101132303230
5241013102424
621434550140
73303532533
oct1021366354
9320153266
10138800364
117139284a
123a598350
13229aa2c1
141461131a
15c2bb079
hex845ecec

138800364 has 24 divisors (see below), whose sum is σ = 324413040. Its totient is φ = 46188864.

The previous prime is 138800327. The next prime is 138800381. The reversal of 138800364 is 463008831.

138800364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2079 + ... + 16790.

It is an arithmetic number, because the mean of its divisors is an integer number (13517210).

Almost surely, 2138800364 is an apocalyptic number.

It is an amenable number.

138800364 is an abundant number, since it is smaller than the sum of its proper divisors (185612676).

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

138800364 is a wasteful number, since it uses less digits than its factorization.

138800364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19489 (or 19487 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 138800364 is about 11781.3566281647. The cubic root of 138800364 is about 517.7620339761.

The spelling of 138800364 in words is "one hundred thirty-eight million, eight hundred thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 613 1226 1839 2452 3678 7356 18869 37738 56607 75476 113214 226428 11566697 23133394 34700091 46266788 69400182 138800364