Base | Representation |
---|---|
bin | 110000100100… |
… | …0101011100101 |
3 | 1202220200101112 |
4 | 1201020223211 |
5 | 23004313100 |
6 | 2305434405 |
7 | 426302453 |
oct | 141105345 |
9 | 52820345 |
10 | 25463525 |
11 | 1341213a |
12 | 863ba05 |
13 | 5377199 |
14 | 354b9d3 |
15 | 237eb35 |
hex | 1848ae5 |
25463525 has 12 divisors (see below), whose sum is σ = 32310432. Its totient is φ = 19896240.
The previous prime is 25463509. The next prime is 25463527. The reversal of 25463525 is 52536452.
It is not a de Polignac number, because 25463525 - 24 = 25463509 is a prime.
It is a super-2 number, since 2×254635252 = 1296782210851250, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25463491 and 25463500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25463527) 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 in 11 ways as a sum of consecutive naturals, for example, 10769 + ... + 12918.
It is an arithmetic number, because the mean of its divisors is an integer number (2692536).
Almost surely, 225463525 is an apocalyptic number.
25463525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25463525 is a deficient number, since it is larger than the sum of its proper divisors (6846907).
25463525 is a wasteful number, since it uses less digits than its factorization.
25463525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23740 (or 23735 counting only the distinct ones).
The product of its digits is 36000, while the sum is 32.
The square root of 25463525 is about 5046.1396136056. The cubic root of 25463525 is about 294.1978591617.
Adding to 25463525 its reverse (52536452), we get a palindrome (77999977).
The spelling of 25463525 in words is "twenty-five million, four hundred sixty-three thousand, five hundred twenty-five".
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