Base | Representation |
---|---|
bin | 10011100010110010011111 |
3 | 100122021202022 |
4 | 103202302133 |
5 | 2302420411 |
6 | 301450355 |
7 | 61355351 |
oct | 23426237 |
9 | 10567668 |
10 | 5123231 |
11 | 298a183 |
12 | 18709bb |
13 | 10a4bc9 |
14 | 9750d1 |
15 | 6b2edb |
hex | 4e2c9f |
5123231 has 2 divisors, whose sum is σ = 5123232. Its totient is φ = 5123230.
The previous prime is 5123221. The next prime is 5123257. The reversal of 5123231 is 1323215.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 5123231 - 222 = 928927 is a prime.
It is a super-2 number, since 2×51232312 = 52494991758722, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5123201) by changing a digit.
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 as a sum of consecutive naturals, namely, 2561615 + 2561616.
It is an arithmetic number, because the mean of its divisors is an integer number (2561616).
Almost surely, 25123231 is an apocalyptic number.
5123231 is a deficient number, since it is larger than the sum of its proper divisors (1).
5123231 is an equidigital number, since it uses as much as digits as its factorization.
5123231 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 180, while the sum is 17.
The square root of 5123231 is about 2263.4555440741. The cubic root of 5123231 is about 172.3910226752.
Adding to 5123231 its reverse (1323215), we get a palindrome (6446446).
The spelling of 5123231 in words is "five million, one hundred twenty-three thousand, two hundred thirty-one".
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