Base | Representation |
---|---|
bin | 110110110000… |
… | …0000001010010 |
3 | 2000000100122121 |
4 | 1231200001102 |
5 | 24322023400 |
6 | 2503124454 |
7 | 465662416 |
oct | 155400122 |
9 | 60010577 |
10 | 28704850 |
11 | 15226419 |
12 | 974372a |
13 | 5c40625 |
14 | 3b52d46 |
15 | 27c021a |
hex | 1b60052 |
28704850 has 24 divisors (see below), whose sum is σ = 53763300. Its totient is φ = 11401920.
The previous prime is 28704811. The next prime is 28704883. The reversal of 28704850 is 5840782.
It can be written as a sum of positive squares in 6 ways, for example, as 13905441 + 14799409 = 3729^2 + 3847^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5524 + ... + 9376.
Almost surely, 228704850 is an apocalyptic number.
28704850 is a deficient number, since it is larger than the sum of its proper divisors (25058450).
28704850 is a wasteful number, since it uses less digits than its factorization.
28704850 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4014 (or 4009 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 34.
The square root of 28704850 is about 5357.6907338890. The cubic root of 28704850 is about 306.1858341203.
The spelling of 28704850 in words is "twenty-eight million, seven hundred four thousand, eight hundred fifty".
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