Base | Representation |
---|---|
bin | 11110000101110… |
… | …11000000100111 |
3 | 122120222110221121 |
4 | 33002323000213 |
5 | 1004110033411 |
6 | 41014154411 |
7 | 6153366463 |
oct | 1702730047 |
9 | 576873847 |
10 | 252424231 |
11 | 11a53a074 |
12 | 70652a07 |
13 | 403b0c67 |
14 | 2574b4a3 |
15 | 17262571 |
hex | f0bb027 |
252424231 has 2 divisors, whose sum is σ = 252424232. Its totient is φ = 252424230.
The previous prime is 252424219. The next prime is 252424261. The reversal of 252424231 is 132424252.
252424231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 252424231 - 29 = 252423719 is a prime.
It is a super-2 number, since 2×2524242312 = 127435984791882722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 252424196 and 252424205.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (252424261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126212115 + 126212116.
It is an arithmetic number, because the mean of its divisors is an integer number (126212116).
Almost surely, 2252424231 is an apocalyptic number.
252424231 is a deficient number, since it is larger than the sum of its proper divisors (1).
252424231 is an equidigital number, since it uses as much as digits as its factorization.
252424231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3840, while the sum is 25.
The square root of 252424231 is about 15887.8642680506. The cubic root of 252424231 is about 631.9902049101.
Adding to 252424231 its reverse (132424252), we get a palindrome (384848483).
The spelling of 252424231 in words is "two hundred fifty-two million, four hundred twenty-four thousand, two hundred thirty-one".
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