Base | Representation |
---|---|
bin | 110101011101… |
… | …0000011011011 |
3 | 1221201211010212 |
4 | 1222322003123 |
5 | 24133300201 |
6 | 2440401335 |
7 | 460131455 |
oct | 152720333 |
9 | 57654125 |
10 | 28025051 |
11 | 149016aa |
12 | 947624b |
13 | 5a63092 |
14 | 3a172d5 |
15 | 26d8abb |
hex | 1aba0db |
28025051 has 2 divisors, whose sum is σ = 28025052. Its totient is φ = 28025050.
The previous prime is 28025029. The next prime is 28025071. The reversal of 28025051 is 15052082.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28025051 - 26 = 28024987 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (28025071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14012525 + 14012526.
It is an arithmetic number, because the mean of its divisors is an integer number (14012526).
Almost surely, 228025051 is an apocalyptic number.
28025051 is a deficient number, since it is larger than the sum of its proper divisors (1).
28025051 is an equidigital number, since it uses as much as digits as its factorization.
28025051 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 28025051 is about 5293.8691899215. The cubic root of 28025051 is about 303.7494292300.
The spelling of 28025051 in words is "twenty-eight million, twenty-five thousand, fifty-one".
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