Base | Representation |
---|---|
bin | 1001001110110111… |
… | …0000011111000001 |
3 | 20101201020221011102 |
4 | 2103231300133001 |
5 | 20033412331300 |
6 | 1045525224145 |
7 | 115261512326 |
oct | 22355603701 |
9 | 6351227142 |
10 | 2478245825 |
11 | 10619a5850 |
12 | 591b62055 |
13 | 306583763 |
14 | 1971cab4d |
15 | e78800d5 |
hex | 93b707c1 |
2478245825 has 12 divisors (see below), whose sum is σ = 3352391088. Its totient is φ = 1802360400.
The previous prime is 2478245821. The next prime is 2478245849. The reversal of 2478245825 is 5285428742.
2478245825 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 2478245825 - 22 = 2478245821 is a prime.
It is a super-2 number, since 2×24782458252 = 12283404738259861250, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2478245825.
It is not an unprimeable number, because it can be changed into a prime (2478245821) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4505627 + ... + 4506176.
It is an arithmetic number, because the mean of its divisors is an integer number (279365924).
Almost surely, 22478245825 is an apocalyptic number.
2478245825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2478245825 is a deficient number, since it is larger than the sum of its proper divisors (874145263).
2478245825 is a wasteful number, since it uses less digits than its factorization.
2478245825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9011824 (or 9011819 counting only the distinct ones).
The product of its digits is 1433600, while the sum is 47.
The square root of 2478245825 is about 49781.9829355963. The cubic root of 2478245825 is about 1353.2606732097.
It can be divided in two parts, 24782 and 45825, that added together give a palindrome (70607).
The spelling of 2478245825 in words is "two billion, four hundred seventy-eight million, two hundred forty-five thousand, eight hundred twenty-five".
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