Base | Representation |
---|---|
bin | 11110000100001… |
… | …11101111010111 |
3 | 122120120210212211 |
4 | 33002013233113 |
5 | 1004031323411 |
6 | 41005454251 |
7 | 6151533313 |
oct | 1702075727 |
9 | 576523784 |
10 | 252214231 |
11 | 11a406315 |
12 | 70571387 |
13 | 403394b9 |
14 | 256d4b43 |
15 | 17220221 |
hex | f087bd7 |
252214231 has 2 divisors, whose sum is σ = 252214232. Its totient is φ = 252214230.
The previous prime is 252214177. The next prime is 252214279. The reversal of 252214231 is 132412252.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 252214231 - 27 = 252214103 is a prime.
It is a super-2 number, since 2×2522142312 = 127224036637842722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (252214031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126107115 + 126107116.
It is an arithmetic number, because the mean of its divisors is an integer number (126107116).
Almost surely, 2252214231 is an apocalyptic number.
252214231 is a deficient number, since it is larger than the sum of its proper divisors (1).
252214231 is an equidigital number, since it uses as much as digits as its factorization.
252214231 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 960, while the sum is 22.
The square root of 252214231 is about 15881.2540751667. The cubic root of 252214231 is about 631.8148984909.
Adding to 252214231 its reverse (132412252), we get a palindrome (384626483).
The spelling of 252214231 in words is "two hundred fifty-two million, two hundred fourteen thousand, two hundred thirty-one".
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