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139167708 = 22311597309
BaseRepresentation
bin10000100101110…
…00011111011100
3100200212110012120
420102320133130
5241111331313
621450502540
73306622521
oct1022703734
9320773176
10139167708
1171613839
123a734a50
1322aa8574
14146a9148
15c33ed23
hex84b87dc

139167708 has 12 divisors (see below), whose sum is σ = 324724680. Its totient is φ = 46389232.

The previous prime is 139167701. The next prime is 139167709. The reversal of 139167708 is 807761931.

139167708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 139167708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139167701) 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, 5798643 + ... + 5798666.

It is an arithmetic number, because the mean of its divisors is an integer number (27060390).

Almost surely, 2139167708 is an apocalyptic number.

It is an amenable number.

139167708 is an abundant number, since it is smaller than the sum of its proper divisors (185556972).

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

139167708 is a wasteful number, since it uses less digits than its factorization.

139167708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11597316 (or 11597314 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 139167708 is about 11796.9363819595. The cubic root of 139167708 is about 518.2183950118.

The spelling of 139167708 in words is "one hundred thirty-nine million, one hundred sixty-seven thousand, seven hundred eight".

Divisors: 1 2 3 4 6 12 11597309 23194618 34791927 46389236 69583854 139167708