Base | Representation |
---|---|
bin | 1010001101000… |
… | …1111100101001 |
3 | 2222112121122202 |
4 | 2203101330221 |
5 | 41424143420 |
6 | 4125225545 |
7 | 1026551021 |
oct | 243217451 |
9 | 88477582 |
10 | 42802985 |
11 | 22185575 |
12 | 124022b5 |
13 | 8b38614 |
14 | 5982a81 |
15 | 3b57575 |
hex | 28d1f29 |
42802985 has 16 divisors (see below), whose sum is σ = 53490240. Its totient is φ = 32840640.
The previous prime is 42802967. The next prime is 42802993. The reversal of 42802985 is 58920824.
42802985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 42802985 - 210 = 42801961 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22730 + ... + 24540.
It is an arithmetic number, because the mean of its divisors is an integer number (3343140).
Almost surely, 242802985 is an apocalyptic number.
It is an amenable number.
42802985 is a deficient number, since it is larger than the sum of its proper divisors (10687255).
42802985 is a wasteful number, since it uses less digits than its factorization.
42802985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2008.
The product of its (nonzero) digits is 46080, while the sum is 38.
The square root of 42802985 is about 6542.3990248226. The cubic root of 42802985 is about 349.8039309995.
The spelling of 42802985 in words is "forty-two million, eight hundred two thousand, nine hundred eighty-five".
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