Base | Representation |
---|---|
bin | 1101101010111… |
… | …0100010000001 |
3 | 10222220001221002 |
4 | 3122232202001 |
5 | 104134303420 |
6 | 5404541345 |
7 | 1264236065 |
oct | 332564201 |
9 | 128801832 |
10 | 57337985 |
11 | 2a402971 |
12 | 17251855 |
13 | bb57403 |
14 | 7887aa5 |
15 | 5079075 |
hex | 36ae881 |
57337985 has 8 divisors (see below), whose sum is σ = 69074856. Its totient is φ = 45690880.
The previous prime is 57337949. The next prime is 57337999. The reversal of 57337985 is 58973375.
It can be written as a sum of positive squares in 4 ways, for example, as 40462321 + 16875664 = 6361^2 + 4108^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57337985 - 26 = 57337921 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21026 + ... + 23595.
It is an arithmetic number, because the mean of its divisors is an integer number (8634357).
Almost surely, 257337985 is an apocalyptic number.
It is an amenable number.
57337985 is a deficient number, since it is larger than the sum of its proper divisors (11736871).
57337985 is a wasteful number, since it uses less digits than its factorization.
57337985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44883.
The product of its digits is 793800, while the sum is 47.
The square root of 57337985 is about 7572.1849554802. The cubic root of 57337985 is about 385.6092787183.
The spelling of 57337985 in words is "fifty-seven million, three hundred thirty-seven thousand, nine hundred eighty-five".
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