Base | Representation |
---|---|
bin | 1101101011111… |
… | …0011010111001 |
3 | 11000000101012110 |
4 | 3122332122321 |
5 | 104143344230 |
6 | 5410202533 |
7 | 1264626606 |
oct | 332763271 |
9 | 130011173 |
10 | 57403065 |
11 | 2a447855 |
12 | 17283449 |
13 | bb7ac15 |
14 | 78a36ad |
15 | 508d4b0 |
hex | 36be6b9 |
57403065 has 16 divisors (see below), whose sum is σ = 93981888. Its totient is φ = 29902656.
The previous prime is 57403057. The next prime is 57403069. The reversal of 57403065 is 56030475.
It is not a de Polignac number, because 57403065 - 23 = 57403057 is a prime.
It is a super-2 number, since 2×574030652 = 6590223742788450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (57403069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43854 + ... + 45143.
It is an arithmetic number, because the mean of its divisors is an integer number (5873868).
Almost surely, 257403065 is an apocalyptic number.
It is an amenable number.
57403065 is a deficient number, since it is larger than the sum of its proper divisors (36578823).
57403065 is a wasteful number, since it uses less digits than its factorization.
57403065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89048.
The product of its (nonzero) digits is 12600, while the sum is 30.
The square root of 57403065 is about 7576.4810433340. The cubic root of 57403065 is about 385.7551155093.
The spelling of 57403065 in words is "fifty-seven million, four hundred three thousand, sixty-five".
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