Base | Representation |
---|---|
bin | 110101010000… |
… | …1101010000101 |
3 | 1221112202001220 |
4 | 1222201222011 |
5 | 24122101000 |
6 | 2434310553 |
7 | 456234234 |
oct | 152415205 |
9 | 57482056 |
10 | 27925125 |
11 | 14843618 |
12 | 9428459 |
13 | 5a29757 |
14 | 39ccb1b |
15 | 26b91a0 |
hex | 1aa1a85 |
27925125 has 32 divisors (see below), whose sum is σ = 46949760. Its totient is φ = 14739200.
The previous prime is 27925123. The next prime is 27925147. The reversal of 27925125 is 52152972.
It is a happy number.
It is not a de Polignac number, because 27925125 - 21 = 27925123 is a prime.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27925123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42046 + ... + 42704.
It is an arithmetic number, because the mean of its divisors is an integer number (1467180).
Almost surely, 227925125 is an apocalyptic number.
27925125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
27925125 is the 2825-th nonagonal number.
It is an amenable number.
27925125 is a deficient number, since it is larger than the sum of its proper divisors (19024635).
27925125 is a wasteful number, since it uses less digits than its factorization.
27925125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 790 (or 780 counting only the distinct ones).
The product of its digits is 12600, while the sum is 33.
The square root of 27925125 is about 5284.4228634734. The cubic root of 27925125 is about 303.3879834177.
The spelling of 27925125 in words is "twenty-seven million, nine hundred twenty-five thousand, one hundred twenty-five".
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