Base | Representation |
---|---|
bin | 110101011111… |
… | …1110100001010 |
3 | 1221210000111220 |
4 | 1222333310022 |
5 | 24140024100 |
6 | 2441102510 |
7 | 460260330 |
oct | 152776412 |
9 | 57700456 |
10 | 28048650 |
11 | 14918403 |
12 | 9487a36 |
13 | 5a70a46 |
14 | 3a21b50 |
15 | 26e0aa0 |
hex | 1abfd0a |
28048650 has 48 divisors (see below), whose sum is σ = 79500864. Its totient is φ = 6410880.
The previous prime is 28048639. The next prime is 28048673. The reversal of 28048650 is 5684082.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12307 + ... + 14406.
It is an arithmetic number, because the mean of its divisors is an integer number (1656268).
Almost surely, 228048650 is an apocalyptic number.
28048650 is an abundant number, since it is smaller than the sum of its proper divisors (51452214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28048650 is a wasteful number, since it uses less digits than its factorization.
28048650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26735 (or 26730 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 28048650 is about 5296.0976199462. The cubic root of 28048650 is about 303.8346645395.
The spelling of 28048650 in words is "twenty-eight million, forty-eight thousand, six hundred fifty".
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