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138314379 = 376586399
BaseRepresentation
bin10000011111010…
…00001010001011
3100122021002122210
420033220022023
5240402030004
621420320203
73266436630
oct1017501213
9318232583
10138314379
1171090705
123a3a3063
132286a038
1414526187
15c222089
hex83e828b

138314379 has 8 divisors (see below), whose sum is σ = 210764800. Its totient is φ = 79036776.

The previous prime is 138314333. The next prime is 138314381. The reversal of 138314379 is 973413831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138314379 - 217 = 138183307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138314179) 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, 3293179 + ... + 3293220.

It is an arithmetic number, because the mean of its divisors is an integer number (26345600).

Almost surely, 2138314379 is an apocalyptic number.

138314379 is a deficient number, since it is larger than the sum of its proper divisors (72450421).

138314379 is an equidigital number, since it uses as much as digits as its factorization.

138314379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6586409.

The product of its digits is 54432, while the sum is 39.

The square root of 138314379 is about 11760.7133712203. The cubic root of 138314379 is about 517.1570431811.

The spelling of 138314379 in words is "one hundred thirty-eight million, three hundred fourteen thousand, three hundred seventy-nine".

Divisors: 1 3 7 21 6586399 19759197 46104793 138314379