Base | Representation |
---|---|
bin | 110101100100… |
… | …0001010010001 |
3 | 1221211202101221 |
4 | 1223020022101 |
5 | 24142122313 |
6 | 2441525041 |
7 | 460462102 |
oct | 153101221 |
9 | 57752357 |
10 | 28082833 |
11 | 14941059 |
12 | 94a3781 |
13 | 5a8347c |
14 | 3a303a9 |
15 | 26eac8d |
hex | 1ac8291 |
28082833 has 2 divisors, whose sum is σ = 28082834. Its totient is φ = 28082832.
The previous prime is 28082809. The next prime is 28082837. The reversal of 28082833 is 33828082.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 20857489 + 7225344 = 4567^2 + 2688^2 .
It is a cyclic number.
It is not a de Polignac number, because 28082833 - 221 = 25985681 is a prime.
It is not a weakly prime, because it can be changed into another prime (28082837) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14041416 + 14041417.
It is an arithmetic number, because the mean of its divisors is an integer number (14041417).
Almost surely, 228082833 is an apocalyptic number.
It is an amenable number.
28082833 is a deficient number, since it is larger than the sum of its proper divisors (1).
28082833 is an equidigital number, since it uses as much as digits as its factorization.
28082833 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 28082833 is about 5299.3238247912. The cubic root of 28082833 is about 303.9580425993.
The spelling of 28082833 in words is "twenty-eight million, eighty-two thousand, eight hundred thirty-three".
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