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138859094 = 21117371281
BaseRepresentation
bin10000100011011…
…01001001010110
3100200021202212102
420101231021112
5241021442334
621440122102
73304166003
oct1021551126
9320252772
10138859094
1171422990
123a606332
13229cac5a
14146288aa
15c2cd67e
hex846d256

138859094 has 16 divisors (see below), whose sum is σ = 240590736. Its totient is φ = 59404800.

The previous prime is 138859093. The next prime is 138859109. The reversal of 138859094 is 490958831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138859093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185267 + ... + 186014.

It is an arithmetic number, because the mean of its divisors is an integer number (15036921).

Almost surely, 2138859094 is an apocalyptic number.

138859094 is a deficient number, since it is larger than the sum of its proper divisors (101731642).

138859094 is a wasteful number, since it uses less digits than its factorization.

138859094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371311.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 138859094 is about 11783.8488618957. The cubic root of 138859094 is about 517.8350498184.

The spelling of 138859094 in words is "one hundred thirty-eight million, eight hundred fifty-nine thousand, ninety-four".

Divisors: 1 2 11 17 22 34 187 374 371281 742562 4084091 6311777 8168182 12623554 69429547 138859094