Base | Representation |
---|---|
bin | 110000001110… |
… | …0100001101101 |
3 | 1202120111022011 |
4 | 1200130201231 |
5 | 22433021134 |
6 | 2301521221 |
7 | 424620256 |
oct | 140344155 |
9 | 52514264 |
10 | 25282669 |
11 | 132a9275 |
12 | 8573211 |
13 | 5312a79 |
14 | 3501b2d |
15 | 2346264 |
hex | 181c86d |
25282669 has 2 divisors, whose sum is σ = 25282670. Its totient is φ = 25282668.
The previous prime is 25282633. The next prime is 25282687. The reversal of 25282669 is 96628252.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19474569 + 5808100 = 4413^2 + 2410^2 .
It is a cyclic number.
It is not a de Polignac number, because 25282669 - 27 = 25282541 is a prime.
It is a super-2 number, since 2×252826692 = 1278426703527122, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25282769) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12641334 + 12641335.
It is an arithmetic number, because the mean of its divisors is an integer number (12641335).
Almost surely, 225282669 is an apocalyptic number.
It is an amenable number.
25282669 is a deficient number, since it is larger than the sum of its proper divisors (1).
25282669 is an equidigital number, since it uses as much as digits as its factorization.
25282669 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 103680, while the sum is 40.
The square root of 25282669 is about 5028.1874467844. The cubic root of 25282669 is about 293.4996851135.
The spelling of 25282669 in words is "twenty-five million, two hundred eighty-two thousand, six hundred sixty-nine".
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