Base | Representation |
---|---|
bin | 110101100101… |
… | …1110010010011 |
3 | 1221212111202221 |
4 | 1223023302103 |
5 | 24143111213 |
6 | 2442121511 |
7 | 460553305 |
oct | 153136223 |
9 | 57774687 |
10 | 28097683 |
11 | 14951229 |
12 | 94b0297 |
13 | 5a8a163 |
14 | 3a35975 |
15 | 270038d |
hex | 1acbc93 |
28097683 has 2 divisors, whose sum is σ = 28097684. Its totient is φ = 28097682.
The previous prime is 28097659. The next prime is 28097701. The reversal of 28097683 is 38679082.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28097683 - 217 = 27966611 is a prime.
It is not a weakly prime, because it can be changed into another prime (28097603) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14048841 + 14048842.
It is an arithmetic number, because the mean of its divisors is an integer number (14048842).
Almost surely, 228097683 is an apocalyptic number.
28097683 is a deficient number, since it is larger than the sum of its proper divisors (1).
28097683 is an equidigital number, since it uses as much as digits as its factorization.
28097683 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 145152, while the sum is 43.
The square root of 28097683 is about 5300.7247617661. The cubic root of 28097683 is about 304.0116101002.
The spelling of 28097683 in words is "twenty-eight million, ninety-seven thousand, six hundred eighty-three".
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