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138285016 = 2323751549
BaseRepresentation
bin10000011111000…
…00111111011000
3100122012121101021
420033200333120
5240400110031
621415532224
73266255212
oct1017407730
9318177337
10138285016
1171070641
123a38a074
132285986c
14145195b2
15c218511
hex83e0fd8

138285016 has 16 divisors (see below), whose sum is σ = 270558000. Its totient is φ = 66136224.

The previous prime is 138285013. The next prime is 138285023. The reversal of 138285016 is 610582831.

138285016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138285011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375591 + ... + 375958.

It is an arithmetic number, because the mean of its divisors is an integer number (16909875).

Almost surely, 2138285016 is an apocalyptic number.

It is an amenable number.

138285016 is a deficient number, since it is larger than the sum of its proper divisors (132272984).

138285016 is a wasteful number, since it uses less digits than its factorization.

138285016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751578 (or 751574 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 138285016 is about 11759.4649538149. The cubic root of 138285016 is about 517.1204445352.

The spelling of 138285016 in words is "one hundred thirty-eight million, two hundred eighty-five thousand, sixteen".

Divisors: 1 2 4 8 23 46 92 184 751549 1503098 3006196 6012392 17285627 34571254 69142508 138285016