Base | Representation |
---|---|
bin | 1101101100101… |
… | …1100000101101 |
3 | 11000010002202101 |
4 | 3123023200231 |
5 | 104202103220 |
6 | 5411255101 |
7 | 1265242126 |
oct | 333134055 |
9 | 130102671 |
10 | 57456685 |
11 | 2a484070 |
12 | 172aa491 |
13 | bb99450 |
14 | 78b904d |
15 | 509e30a |
hex | 36cb82d |
57456685 has 64 divisors (see below), whose sum is σ = 89268480. Its totient is φ = 34836480.
The previous prime is 57456683. The next prime is 57456697. The reversal of 57456685 is 58665475.
It is not a de Polignac number, because 57456685 - 21 = 57456683 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57456683) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 352414 + ... + 352576.
It is an arithmetic number, because the mean of its divisors is an integer number (1394820).
Almost surely, 257456685 is an apocalyptic number.
57456685 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
57456685 is a deficient number, since it is larger than the sum of its proper divisors (31811795).
57456685 is a wasteful number, since it uses less digits than its factorization.
57456685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238.
The product of its digits is 1008000, while the sum is 46.
The square root of 57456685 is about 7580.0187994490. The cubic root of 57456685 is about 385.8751889600.
The spelling of 57456685 in words is "fifty-seven million, four hundred fifty-six thousand, six hundred eighty-five".
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