Base | Representation |
---|---|
bin | 110111001100… |
… | …0011110001011 |
3 | 2000110002211111 |
4 | 1232120132023 |
5 | 24401423300 |
6 | 2512111151 |
7 | 500644510 |
oct | 156303613 |
9 | 60402744 |
10 | 28936075 |
11 | 15374113 |
12 | 98354b7 |
13 | 5cc194c |
14 | 3bb3307 |
15 | 28189ba |
hex | 1b9878b |
28936075 has 12 divisors (see below), whose sum is σ = 41006800. Its totient is φ = 19841760.
The previous prime is 28936073. The next prime is 28936087. The reversal of 28936075 is 57063982.
It is not a de Polignac number, because 28936075 - 21 = 28936073 is a prime.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (28936073) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82500 + ... + 82849.
Almost surely, 228936075 is an apocalyptic number.
28936075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28936075 is a deficient number, since it is larger than the sum of its proper divisors (12070725).
28936075 is a wasteful number, since it uses less digits than its factorization.
28936075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165366 (or 165361 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 40.
The square root of 28936075 is about 5379.2262454743. The cubic root of 28936075 is about 307.0057718360.
The spelling of 28936075 in words is "twenty-eight million, nine hundred thirty-six thousand, seventy-five".
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