Base | Representation |
---|---|
bin | 110101100000… |
… | …0001010000001 |
3 | 1221210002102201 |
4 | 1223000022001 |
5 | 24140100144 |
6 | 2441113201 |
7 | 460264366 |
oct | 153001201 |
9 | 57702381 |
10 | 28050049 |
11 | 14919465 |
12 | 9488801 |
13 | 5a71581 |
14 | 3a2246d |
15 | 26e11d4 |
hex | 1ac0281 |
28050049 has 2 divisors, whose sum is σ = 28050050. Its totient is φ = 28050048.
The previous prime is 28050037. The next prime is 28050053. The reversal of 28050049 is 94005082.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 24601600 + 3448449 = 4960^2 + 1857^2 .
It is a cyclic number.
It is not a de Polignac number, because 28050049 - 27 = 28049921 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28049999 and 28050026.
It is not a weakly prime, because it can be changed into another prime (28050079) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14025024 + 14025025.
It is an arithmetic number, because the mean of its divisors is an integer number (14025025).
Almost surely, 228050049 is an apocalyptic number.
It is an amenable number.
28050049 is a deficient number, since it is larger than the sum of its proper divisors (1).
28050049 is an equidigital number, since it uses as much as digits as its factorization.
28050049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 28050049 is about 5296.2296966805. The cubic root of 28050049 is about 303.8397159725.
The spelling of 28050049 in words is "twenty-eight million, fifty thousand, forty-nine".
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