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125085 = 3531269
BaseRepresentation
bin11110100010011101
320100120210
4132202131
513000320
62403033
71030452
oct364235
9210523
10125085
1185a84
1260479
1344c1c
1433829
15270e0
hex1e89d

125085 has 16 divisors (see below), whose sum is σ = 207360. Its totient is φ = 64320.

The previous prime is 125063. The next prime is 125093. The reversal of 125085 is 580521.

It is not a de Polignac number, because 125085 - 25 = 125053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331 + ... + 599.

It is an arithmetic number, because the mean of its divisors is an integer number (12960).

125085 is a Friedman number, since it can be written as 85+50^(2+1), using all its digits and the basic arithmetic operations.

2125085 is an apocalyptic number.

125085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125085 is a deficient number, since it is larger than the sum of its proper divisors (82275).

125085 is a wasteful number, since it uses less digits than its factorization.

125085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 125085 is about 353.6735783176. The cubic root of 125085 is about 50.0113307654.

The spelling of 125085 in words is "one hundred twenty-five thousand, eighty-five".

Divisors: 1 3 5 15 31 93 155 269 465 807 1345 4035 8339 25017 41695 125085