Base | Representation |
---|---|
bin | 110101100000… |
… | …1010100011000 |
3 | 1221210022221222 |
4 | 1223001110120 |
5 | 24140223213 |
6 | 2441151212 |
7 | 460314305 |
oct | 153012430 |
9 | 57708858 |
10 | 28054808 |
11 | 14921aa1 |
12 | 948b508 |
13 | 5a737a2 |
14 | 3a240ac |
15 | 26e2808 |
hex | 1ac1518 |
28054808 has 32 divisors (see below), whose sum is σ = 54120960. Its totient is φ = 13628160.
The previous prime is 28054781. The next prime is 28054813. The reversal of 28054808 is 80845082.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53588 + ... + 54108.
It is an arithmetic number, because the mean of its divisors is an integer number (1691280).
Almost surely, 228054808 is an apocalyptic number.
It is an amenable number.
28054808 is a deficient number, since it is larger than the sum of its proper divisors (26066152).
28054808 is a wasteful number, since it uses less digits than its factorization.
28054808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 707 (or 703 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 35.
The square root of 28054808 is about 5296.6789594991. The cubic root of 28054808 is about 303.8568982532.
The spelling of 28054808 in words is "twenty-eight million, fifty-four thousand, eight hundred eight".
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