Base | Representation |
---|---|
bin | 10011100011010111111111 |
3 | 100122102001012 |
4 | 103203113333 |
5 | 2303010011 |
6 | 301505435 |
7 | 61365350 |
oct | 23432777 |
9 | 10572035 |
10 | 5125631 |
11 | 2990a65 |
12 | 187227b |
13 | 10a6024 |
14 | 975d27 |
15 | 6b3a8b |
hex | 4e35ff |
5125631 has 4 divisors (see below), whose sum is σ = 5857872. Its totient is φ = 4393392.
The previous prime is 5125609. The next prime is 5125639. The reversal of 5125631 is 1365215.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1365215 = 5 ⋅273043.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-5125631 is a prime.
It is a super-2 number, since 2×51256312 = 52544186296322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 5125597 and 5125606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5125639) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366110 + ... + 366123.
It is an arithmetic number, because the mean of its divisors is an integer number (1464468).
Almost surely, 25125631 is an apocalyptic number.
5125631 is a deficient number, since it is larger than the sum of its proper divisors (732241).
5125631 is an equidigital number, since it uses as much as digits as its factorization.
5125631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 732240.
The product of its digits is 900, while the sum is 23.
The square root of 5125631 is about 2263.9856448308. The cubic root of 5125631 is about 172.4179375827.
The spelling of 5125631 in words is "five million, one hundred twenty-five thousand, six hundred thirty-one".
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