Base | Representation |
---|---|
bin | 110101111110… |
… | …1001101111111 |
3 | 1222020210112001 |
4 | 1223331031333 |
5 | 24221101114 |
6 | 2450323131 |
7 | 462355516 |
oct | 153751577 |
9 | 58223461 |
10 | 28300159 |
11 | 14a7a368 |
12 | 95894a7 |
13 | 5b2b374 |
14 | 3a8967d |
15 | 2740374 |
hex | 1afd37f |
28300159 has 2 divisors, whose sum is σ = 28300160. Its totient is φ = 28300158.
The previous prime is 28300147. The next prime is 28300213. The reversal of 28300159 is 95100382.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28300159 - 27 = 28300031 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28310159) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14150079 + 14150080.
It is an arithmetic number, because the mean of its divisors is an integer number (14150080).
Almost surely, 228300159 is an apocalyptic number.
28300159 is a deficient number, since it is larger than the sum of its proper divisors (1).
28300159 is an equidigital number, since it uses as much as digits as its factorization.
28300159 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 28300159 is about 5319.7893755298. The cubic root of 28300159 is about 304.7401136527.
It can be divided in two parts, 2 and 8300159, that added together give a square (8300161 = 28812).
The spelling of 28300159 in words is "twenty-eight million, three hundred thousand, one hundred fifty-nine".
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