Base | Representation |
---|---|
bin | 110101011101… |
… | …1010010000010 |
3 | 1221202002001012 |
4 | 1222323102002 |
5 | 24133430312 |
6 | 2440440522 |
7 | 460152233 |
oct | 152732202 |
9 | 57662035 |
10 | 28030082 |
11 | 14905463 |
12 | 9479142 |
13 | 5a65462 |
14 | 3a1908a |
15 | 26da322 |
hex | 1abb482 |
28030082 has 8 divisors (see below), whose sum is σ = 42157200. Its totient is φ = 13977684.
The previous prime is 28030061. The next prime is 28030099. The reversal of 28030082 is 28003082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17732 + ... + 19247.
It is an arithmetic number, because the mean of its divisors is an integer number (5269650).
Almost surely, 228030082 is an apocalyptic number.
28030082 is a deficient number, since it is larger than the sum of its proper divisors (14127118).
28030082 is a wasteful number, since it uses less digits than its factorization.
28030082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37360.
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 28030082 is about 5294.3443408981. The cubic root of 28030082 is about 303.7676043018.
Subtracting from 28030082 its reverse (28003082), we obtain a cube (27000 = 303).
The spelling of 28030082 in words is "twenty-eight million, thirty thousand, eighty-two".
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