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138382914 = 2323063819
BaseRepresentation
bin10000011111110…
…00111001000010
3100122101120200010
420033320321002
5240411223124
621422005350
73300143505
oct1017707102
9318346603
10138382914
117112814a
123a416856
13228922a7
141454313c
15c237529
hex83f8e42

138382914 has 8 divisors (see below), whose sum is σ = 276765840. Its totient is φ = 46127636.

The previous prime is 138382889. The next prime is 138382919. The reversal of 138382914 is 419283831.

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

138382914 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138382919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11531904 + ... + 11531915.

It is an arithmetic number, because the mean of its divisors is an integer number (34595730).

Almost surely, 2138382914 is an apocalyptic number.

138382914 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

138382914 is a wasteful number, since it uses less digits than its factorization.

138382914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23063824.

The product of its digits is 41472, while the sum is 39.

The square root of 138382914 is about 11763.6267366829. The cubic root of 138382914 is about 517.2424464625.

The spelling of 138382914 in words is "one hundred thirty-eight million, three hundred eighty-two thousand, nine hundred fourteen".

Divisors: 1 2 3 6 23063819 46127638 69191457 138382914