Base | Representation |
---|---|
bin | 110110010000… |
… | …1111010110101 |
3 | 1222112102201200 |
4 | 1230201322311 |
5 | 24240403420 |
6 | 2453443113 |
7 | 463553010 |
oct | 154417265 |
9 | 58472650 |
10 | 28450485 |
11 | 150722a8 |
12 | 9640499 |
13 | 5b8190b |
14 | 3ac8377 |
15 | 276eb90 |
hex | 1b21eb5 |
28450485 has 48 divisors (see below), whose sum is σ = 56784000. Its totient is φ = 12908160.
The previous prime is 28450423. The next prime is 28450493. The reversal of 28450485 is 58405482.
It is not a de Polignac number, because 28450485 - 211 = 28448437 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56766 + ... + 57264.
It is an arithmetic number, because the mean of its divisors is an integer number (1183000).
Almost surely, 228450485 is an apocalyptic number.
It is an amenable number.
28450485 is a deficient number, since it is larger than the sum of its proper divisors (28333515).
28450485 is a wasteful number, since it uses less digits than its factorization.
28450485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 698 (or 695 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 36.
The square root of 28450485 is about 5333.8996053544. The cubic root of 28450485 is about 305.2787382868.
The spelling of 28450485 in words is "twenty-eight million, four hundred fifty thousand, four hundred eighty-five".
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