Base | Representation |
---|---|
bin | 101111111101… |
… | …0011101011101 |
3 | 1202022101220011 |
4 | 1133322131131 |
5 | 22414040013 |
6 | 2254523221 |
7 | 423466411 |
oct | 137723535 |
9 | 52271804 |
10 | 25143133 |
11 | 13213454 |
12 | 8506511 |
13 | 52943c2 |
14 | 34a6d41 |
15 | 2319c3d |
hex | 17fa75d |
25143133 has 2 divisors, whose sum is σ = 25143134. Its totient is φ = 25143132.
The previous prime is 25143059. The next prime is 25143197. The reversal of 25143133 is 33134152.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 20593444 + 4549689 = 4538^2 + 2133^2 .
It is a cyclic number.
It is not a de Polignac number, because 25143133 - 217 = 25012061 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25143733) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12571566 + 12571567.
It is an arithmetic number, because the mean of its divisors is an integer number (12571567).
Almost surely, 225143133 is an apocalyptic number.
It is an amenable number.
25143133 is a deficient number, since it is larger than the sum of its proper divisors (1).
25143133 is an equidigital number, since it uses as much as digits as its factorization.
25143133 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1080, while the sum is 22.
The square root of 25143133 is about 5014.2928713828. The cubic root of 25143133 is about 292.9587434679.
Adding to 25143133 its reverse (33134152), we get a palindrome (58277285).
The spelling of 25143133 in words is "twenty-five million, one hundred forty-three thousand, one hundred thirty-three".
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