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138314512 = 2471234951
BaseRepresentation
bin10000011111010…
…00001100010000
3100122021002211201
420033220030100
5240402031022
621420320544
73266440210
oct1017501420
9318232751
10138314512
1171090816
123a3a3154
132286a10b
1414526240
15c222127
hex83e8310

138314512 has 20 divisors (see below), whose sum is σ = 306268096. Its totient is φ = 59277600.

The previous prime is 138314507. The next prime is 138314521. The reversal of 138314512 is 215413831.

It is a happy number.

138314512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617364 + ... + 617587.

Almost surely, 2138314512 is an apocalyptic number.

It is an amenable number.

138314512 is an abundant number, since it is smaller than the sum of its proper divisors (167953584).

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

138314512 is a wasteful number, since it uses less digits than its factorization.

138314512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234966 (or 1234960 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 138314512 is about 11760.7190256378. The cubic root of 138314512 is about 517.1572089432.

The spelling of 138314512 in words is "one hundred thirty-eight million, three hundred fourteen thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 1234951 2469902 4939804 8644657 9879608 17289314 19759216 34578628 69157256 138314512