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139790084 = 22718792657
BaseRepresentation
bin10000101010100…
…00011100000100
3100202001001221112
420111100130010
5241241240314
621512104152
73315124160
oct1025203404
9322031845
10139790084
11719a93a5
123a995058
1322c65935
14147cbca0
15c41443e
hex8550704

139790084 has 24 divisors (see below), whose sum is σ = 279834240. Its totient is φ = 59855616.

The previous prime is 139790083. The next prime is 139790111. The reversal of 139790084 is 480097931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (139790081) 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, 51284 + ... + 53940.

It is an arithmetic number, because the mean of its divisors is an integer number (11659760).

Almost surely, 2139790084 is an apocalyptic number.

139790084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139790084 is an abundant number, since it is smaller than the sum of its proper divisors (140044156).

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

139790084 is a wasteful number, since it uses less digits than its factorization.

139790084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4547 (or 4545 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 139790084 is about 11823.2856685441. The cubic root of 139790084 is about 518.9897595132.

The spelling of 139790084 in words is "one hundred thirty-nine million, seven hundred ninety thousand, eighty-four".

Divisors: 1 2 4 7 14 28 1879 2657 3758 5314 7516 10628 13153 18599 26306 37198 52612 74396 4992503 9985006 19970012 34947521 69895042 139790084