Base | Representation |
---|---|
bin | 110101100011… |
… | …1100101110011 |
3 | 1221211122012111 |
4 | 1223013211303 |
5 | 24142033444 |
6 | 2441510151 |
7 | 460452226 |
oct | 153074563 |
9 | 57748174 |
10 | 28080499 |
11 | 1493a327 |
12 | 94a2357 |
13 | 5a823a5 |
14 | 3a2d5bd |
15 | 26ea234 |
hex | 1ac7973 |
28080499 has 8 divisors (see below), whose sum is σ = 29743040. Its totient is φ = 26436456.
The previous prime is 28080473. The next prime is 28080511. The reversal of 28080499 is 99408082.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28080499 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28080469) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437 + ... + 7630.
It is an arithmetic number, because the mean of its divisors is an integer number (3717880).
Almost surely, 228080499 is an apocalyptic number.
28080499 is a deficient number, since it is larger than the sum of its proper divisors (1662541).
28080499 is a wasteful number, since it uses less digits than its factorization.
28080499 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9249.
The product of its (nonzero) digits is 41472, while the sum is 40.
The square root of 28080499 is about 5299.1036034409. The cubic root of 28080499 is about 303.9496215860.
The spelling of 28080499 in words is "twenty-eight million, eighty thousand, four hundred ninety-nine".
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