Base | Representation |
---|---|
bin | 110110111111… |
… | …0000110110010 |
3 | 2000020121200202 |
4 | 1231332012302 |
5 | 24334444312 |
6 | 2505515202 |
7 | 500014613 |
oct | 155760662 |
9 | 60217622 |
10 | 28828082 |
11 | 152aaa68 |
12 | 97a2b02 |
13 | 5c8474a |
14 | 3b85c0a |
15 | 27e69c2 |
hex | 1b7e1b2 |
28828082 has 8 divisors (see below), whose sum is σ = 43293852. Its totient is φ = 14396800.
The previous prime is 28828081. The next prime is 28828087. The reversal of 28828082 is 28082882.
It can be written as a sum of positive squares in 2 ways, for example, as 27237961 + 1590121 = 5219^2 + 1261^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (28828081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6419 + ... + 9942.
Almost surely, 228828082 is an apocalyptic number.
28828082 is a deficient number, since it is larger than the sum of its proper divisors (14465770).
28828082 is a wasteful number, since it uses less digits than its factorization.
28828082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17244.
The product of its (nonzero) digits is 32768, while the sum is 38.
The square root of 28828082 is about 5369.1788943934. The cubic root of 28828082 is about 306.6233679154.
The spelling of 28828082 in words is "twenty-eight million, eight hundred twenty-eight thousand, eighty-two".
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