Base | Representation |
---|---|
bin | 1101101010000… |
… | …1101000101101 |
3 | 10222210101110210 |
4 | 3122201220231 |
5 | 104131111130 |
6 | 5403453033 |
7 | 1263626100 |
oct | 332415055 |
9 | 128711423 |
10 | 57285165 |
11 | 2a377213 |
12 | 17227179 |
13 | bb39362 |
14 | 7872737 |
15 | 50685b0 |
hex | 36a1a2d |
57285165 has 48 divisors (see below), whose sum is σ = 108509760. Its totient is φ = 25724160.
The previous prime is 57285127. The next prime is 57285167. The reversal of 57285165 is 56158275.
57285165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 57285165 - 26 = 57285101 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57285167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42705 + ... + 44025.
It is an arithmetic number, because the mean of its divisors is an integer number (2260620).
Almost surely, 257285165 is an apocalyptic number.
It is an amenable number.
57285165 is a deficient number, since it is larger than the sum of its proper divisors (51224595).
57285165 is a wasteful number, since it uses less digits than its factorization.
57285165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1402 (or 1395 counting only the distinct ones).
The product of its digits is 84000, while the sum is 39.
The square root of 57285165 is about 7568.6963870934. The cubic root of 57285165 is about 385.4908340280.
The spelling of 57285165 in words is "fifty-seven million, two hundred eighty-five thousand, one hundred sixty-five".
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