Base | Representation |
---|---|
bin | 110011101010… |
… | …1110101101101 |
3 | 1212222022212220 |
4 | 1213111311231 |
5 | 23413342120 |
6 | 2404345553 |
7 | 446156265 |
oct | 147256555 |
9 | 55868786 |
10 | 27090285 |
11 | 14323372 |
12 | 90a52b9 |
13 | 57c6771 |
14 | 38527a5 |
15 | 25a1b40 |
hex | 19d5d6d |
27090285 has 16 divisors (see below), whose sum is σ = 43895040. Its totient is φ = 14264640.
The previous prime is 27090247. The next prime is 27090289. The reversal of 27090285 is 58209072.
It is not a de Polignac number, because 27090285 - 26 = 27090221 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27090289) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10246 + ... + 12615.
It is an arithmetic number, because the mean of its divisors is an integer number (2743440).
Almost surely, 227090285 is an apocalyptic number.
It is an amenable number.
27090285 is a deficient number, since it is larger than the sum of its proper divisors (16804755).
27090285 is a wasteful number, since it uses less digits than its factorization.
27090285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22948.
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 27090285 is about 5204.8328503421. The cubic root of 27090285 is about 300.3340168600.
The spelling of 27090285 in words is "twenty-seven million, ninety thousand, two hundred eighty-five".
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