Base | Representation |
---|---|
bin | 11010110111001… |
… | …00111110110001 |
3 | 120201000002222221 |
4 | 31123210332301 |
5 | 430141130134 |
6 | 34205401041 |
7 | 5404205005 |
oct | 1533447661 |
9 | 521002887 |
10 | 225333169 |
11 | 106216166 |
12 | 63569181 |
13 | 378b7049 |
14 | 21cd8705 |
15 | 14bb05b4 |
hex | d6e4fb1 |
225333169 has 2 divisors, whose sum is σ = 225333170. Its totient is φ = 225333168.
The previous prime is 225333107. The next prime is 225333191. The reversal of 225333169 is 961333522.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 190108944 + 35224225 = 13788^2 + 5935^2 .
It is a cyclic number.
It is not a de Polignac number, because 225333169 - 27 = 225333041 is a prime.
It is a super-2 number, since 2×2253331692 = 101550074103165122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (225333469) 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, 112666584 + 112666585.
It is an arithmetic number, because the mean of its divisors is an integer number (112666585).
Almost surely, 2225333169 is an apocalyptic number.
It is an amenable number.
225333169 is a deficient number, since it is larger than the sum of its proper divisors (1).
225333169 is an equidigital number, since it uses as much as digits as its factorization.
225333169 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 29160, while the sum is 34.
The square root of 225333169 is about 15011.1015252046. The cubic root of 225333169 is about 608.5202590803.
The spelling of 225333169 in words is "two hundred twenty-five million, three hundred thirty-three thousand, one hundred sixty-nine".
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