Base | Representation |
---|---|
bin | 10100000011101001010101 |
3 | 100220010100211 |
4 | 110003221111 |
5 | 2321222223 |
6 | 304405421 |
7 | 62455621 |
oct | 24035125 |
9 | 10803324 |
10 | 5257813 |
11 | 2a71300 |
12 | 1916871 |
13 | 1121242 |
14 | 9ac181 |
15 | 6dcd0d |
hex | 503a55 |
5257813 has 12 divisors (see below), whose sum is σ = 6086080. Its totient is φ = 4526280.
The previous prime is 5257807. The next prime is 5257829. The reversal of 5257813 is 3187525.
It is not a de Polignac number, because 5257813 - 25 = 5257781 is a prime.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5257883) 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, 1156 + ... + 3442.
Almost surely, 25257813 is an apocalyptic number.
It is an amenable number.
5257813 is a deficient number, since it is larger than the sum of its proper divisors (828267).
5257813 is a wasteful number, since it uses less digits than its factorization.
5257813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2328 (or 2317 counting only the distinct ones).
The product of its digits is 8400, while the sum is 31.
The square root of 5257813 is about 2292.9921500084. The cubic root of 5257813 is about 173.8875060066.
It can be divided in two parts, 525 and 7813, that added together give a palindrome (8338).
The spelling of 5257813 in words is "five million, two hundred fifty-seven thousand, eight hundred thirteen".
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