Base | Representation |
---|---|
bin | 110110000111… |
… | …0000001100011 |
3 | 1222101021221112 |
4 | 1230032001203 |
5 | 24230301440 |
6 | 2452013535 |
7 | 463063304 |
oct | 154160143 |
9 | 58337845 |
10 | 28368995 |
11 | 15017056 |
12 | 96012ab |
13 | 5b537b5 |
14 | 3aa67ab |
15 | 2755965 |
hex | 1b0e063 |
28368995 has 8 divisors (see below), whose sum is σ = 35834640. Its totient is φ = 21500640.
The previous prime is 28368983. The next prime is 28369013. The reversal of 28368995 is 59986382.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28368995 - 224 = 11591779 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149216 + ... + 149405.
It is an arithmetic number, because the mean of its divisors is an integer number (4479330).
Almost surely, 228368995 is an apocalyptic number.
28368995 is a deficient number, since it is larger than the sum of its proper divisors (7465645).
28368995 is a wasteful number, since it uses less digits than its factorization.
28368995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 298645.
The product of its digits is 933120, while the sum is 50.
The square root of 28368995 is about 5326.2552511122. The cubic root of 28368995 is about 304.9869921891.
The spelling of 28368995 in words is "twenty-eight million, three hundred sixty-eight thousand, nine hundred ninety-five".
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