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139170 = 2354639
BaseRepresentation
bin100001111110100010
321001220110
4201332202
513423140
62552150
71116513
oct417642
9231813
10139170
1195619
1268656
134b465
1438a0a
152b380
hex21fa2

139170 has 16 divisors (see below), whose sum is σ = 334080. Its totient is φ = 37104.

The previous prime is 139169. The next prime is 139177. The reversal of 139170 is 71931.

139170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (139177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290 + ... + 2349.

It is an arithmetic number, because the mean of its divisors is an integer number (20880).

2139170 is an apocalyptic number.

139170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139170 is an abundant number, since it is smaller than the sum of its proper divisors (194910).

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

139170 is a wasteful number, since it uses less digits than its factorization.

139170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 139170 is about 373.0549557371. The cubic root of 139170 is about 51.8221239901.

The spelling of 139170 in words is "one hundred thirty-nine thousand, one hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 4639 9278 13917 23195 27834 46390 69585 139170