Base | Representation |
---|---|
bin | 1101100010100… |
… | …1101010000011 |
3 | 10221212102100112 |
4 | 3120221222003 |
5 | 104014344411 |
6 | 5345141535 |
7 | 1256511251 |
oct | 330515203 |
9 | 127772315 |
10 | 56793731 |
11 | 2a070a75 |
12 | 1702a8ab |
13 | b9c6777 |
14 | 77855d1 |
15 | 4ebcb8b |
hex | 3629a83 |
56793731 has 2 divisors, whose sum is σ = 56793732. Its totient is φ = 56793730.
The previous prime is 56793713. The next prime is 56793743. The reversal of 56793731 is 13739765.
Together with previous prime (56793713) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-56793731 is a prime.
It is a super-2 number, since 2×567937312 = 6451055761800722, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (56793031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28396865 + 28396866.
It is an arithmetic number, because the mean of its divisors is an integer number (28396866).
Almost surely, 256793731 is an apocalyptic number.
56793731 is a deficient number, since it is larger than the sum of its proper divisors (1).
56793731 is an equidigital number, since it uses as much as digits as its factorization.
56793731 is an evil number, because the sum of its binary digits is even.
The product of its digits is 119070, while the sum is 41.
The square root of 56793731 is about 7536.1615561239. The cubic root of 56793731 is about 384.3853260143.
The spelling of 56793731 in words is "fifty-six million, seven hundred ninety-three thousand, seven hundred thirty-one".
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