Base | Representation |
---|---|
bin | 101111101001… |
… | …1111011011001 |
3 | 1202000101101200 |
4 | 1133103323121 |
5 | 22344012210 |
6 | 2251304413 |
7 | 422241312 |
oct | 137237331 |
9 | 52011350 |
10 | 24985305 |
11 | 13115914 |
12 | 844b109 |
13 | 523a607 |
14 | 3465609 |
15 | 22d80c0 |
hex | 17d3ed9 |
24985305 has 24 divisors (see below), whose sum is σ = 43959552. Its totient is φ = 13125024.
The previous prime is 24985271. The next prime is 24985309. The reversal of 24985305 is 50358942.
It is not a de Polignac number, because 24985305 - 28 = 24985049 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 24985305.
It is not an unprimeable number, because it can be changed into a prime (24985309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1129 + ... + 7158.
It is an arithmetic number, because the mean of its divisors is an integer number (1831648).
Almost surely, 224985305 is an apocalyptic number.
It is an amenable number.
24985305 is a deficient number, since it is larger than the sum of its proper divisors (18974247).
24985305 is a wasteful number, since it uses less digits than its factorization.
24985305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8365 (or 8362 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The square root of 24985305 is about 4998.5302839935. The cubic root of 24985305 is about 292.3444713381.
The spelling of 24985305 in words is "twenty-four million, nine hundred eighty-five thousand, three hundred five".
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