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139308627 = 3195214691
BaseRepresentation
bin10000100110110…
…10111001010011
3100201010121111210
420103122321103
5241130334002
621453511203
73311050413
oct1023327123
9321117453
10139308627
11716aa6a7
123a7a2503
1322b27753
1414704643
15c36b96c
hex84dae53

139308627 has 16 divisors (see below), whose sum is σ = 195937920. Its totient is φ = 87796800.

The previous prime is 139308623. The next prime is 139308643. The reversal of 139308627 is 726803931.

139308627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139308627 - 22 = 139308623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139308623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27352 + ... + 32042.

It is an arithmetic number, because the mean of its divisors is an integer number (12246120).

Almost surely, 2139308627 is an apocalyptic number.

139308627 is a deficient number, since it is larger than the sum of its proper divisors (56629293).

139308627 is a wasteful number, since it uses less digits than its factorization.

139308627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234.

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

The square root of 139308627 is about 11802.9075655111. The cubic root of 139308627 is about 518.3932492322.

The spelling of 139308627 in words is "one hundred thirty-nine million, three hundred eight thousand, six hundred twenty-seven".

Divisors: 1 3 19 57 521 1563 4691 9899 14073 29697 89129 267387 2444011 7332033 46436209 139308627