Base | Representation |
---|---|
bin | 110110111111… |
… | …1110000001001 |
3 | 2000020221221111 |
4 | 1231333300021 |
5 | 24340203300 |
6 | 2510010321 |
7 | 500043355 |
oct | 155776011 |
9 | 60227844 |
10 | 28834825 |
11 | 15305038 |
12 | 97a69a1 |
13 | 5c87836 |
14 | 3b88465 |
15 | 27e89ba |
hex | 1b7fc09 |
28834825 has 6 divisors (see below), whose sum is σ = 35755214. Its totient is φ = 23067840.
The previous prime is 28834753. The next prime is 28834831. The reversal of 28834825 is 52843882.
It can be written as a sum of positive squares in 3 ways, for example, as 7573504 + 21261321 = 2752^2 + 4611^2 .
It is not a de Polignac number, because 28834825 - 29 = 28834313 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 576672 + ... + 576721.
Almost surely, 228834825 is an apocalyptic number.
28834825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
28834825 is a deficient number, since it is larger than the sum of its proper divisors (6920389).
28834825 is a wasteful number, since it uses less digits than its factorization.
28834825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1153403 (or 1153398 counting only the distinct ones).
The product of its digits is 122880, while the sum is 40.
The square root of 28834825 is about 5369.8067935448. The cubic root of 28834825 is about 306.6472728494.
The spelling of 28834825 in words is "twenty-eight million, eight hundred thirty-four thousand, eight hundred twenty-five".
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