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139351060 = 2256967553
BaseRepresentation
bin10000100111001…
…01010000010100
3100201012202201101
420103211100110
5241133213220
621454435444
73311315212
oct1023452024
9321182641
10139351060
1171729572
123a802b84
1322b40b64
1414715cb2
15c37930a
hex84e5414

139351060 has 12 divisors (see below), whose sum is σ = 292637268. Its totient is φ = 55740416.

The previous prime is 139351049. The next prime is 139351067. The reversal of 139351060 is 60153931.

It can be written as a sum of positive squares in 2 ways, for example, as 35188624 + 104162436 = 5932^2 + 10206^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139351067) 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, 3483757 + ... + 3483796.

It is an arithmetic number, because the mean of its divisors is an integer number (24386439).

Almost surely, 2139351060 is an apocalyptic number.

139351060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139351060 is an abundant number, since it is smaller than the sum of its proper divisors (153286208).

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

139351060 is a wasteful number, since it uses less digits than its factorization.

139351060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6967562 (or 6967560 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 139351060 is about 11804.7049941962. The cubic root of 139351060 is about 518.4458775778.

The spelling of 139351060 in words is "one hundred thirty-nine million, three hundred fifty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 6967553 13935106 27870212 34837765 69675530 139351060