Base | Representation |
---|---|
bin | 1101110010100… |
… | …0000111111100 |
3 | 11000211101010010 |
4 | 3130220013330 |
5 | 104301223103 |
6 | 5423343220 |
7 | 1301412105 |
oct | 334500774 |
9 | 130741103 |
10 | 57836028 |
11 | 2a713078 |
12 | 17451b10 |
13 | bca0003 |
14 | 79773ac |
15 | 5126903 |
hex | 37281fc |
57836028 has 12 divisors (see below), whose sum is σ = 134950760. Its totient is φ = 19278672.
The previous prime is 57836003. The next prime is 57836029. The reversal of 57836028 is 82063875.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×578360282 = 6690012269633568, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57836029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2409823 + ... + 2409846.
Almost surely, 257836028 is an apocalyptic number.
It is an amenable number.
57836028 is an abundant number, since it is smaller than the sum of its proper divisors (77114732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57836028 is a wasteful number, since it uses less digits than its factorization.
57836028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4819676 (or 4819674 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 57836028 is about 7605.0001972387. Note that the first 3 decimals coincide. The cubic root of 57836028 is about 386.7225408093.
It can be divided in two parts, 5783 and 6028, that added together give a palindrome (11811).
The spelling of 57836028 in words is "fifty-seven million, eight hundred thirty-six thousand, twenty-eight".
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