Base | Representation |
---|---|
bin | 101111111110… |
… | …0001001001001 |
3 | 1202022202100102 |
4 | 1133330021021 |
5 | 22414300100 |
6 | 2255015145 |
7 | 423525455 |
oct | 137741111 |
9 | 52282312 |
10 | 25150025 |
11 | 1321864a |
12 | 850a4b5 |
13 | 5297594 |
14 | 34a9665 |
15 | 231bcd5 |
hex | 17fc249 |
25150025 has 12 divisors (see below), whose sum is σ = 31492032. Its totient is φ = 19922640.
The previous prime is 25150019. The next prime is 25150031. The reversal of 25150025 is 52005152.
It is an interprime number because it is at equal distance from previous prime (25150019) and next prime (25150031).
It is not a de Polignac number, because 25150025 - 24 = 25150009 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25149979 and 25150006.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2309 + ... + 7458.
It is an arithmetic number, because the mean of its divisors is an integer number (2624336).
Almost surely, 225150025 is an apocalyptic number.
25150025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25150025 is a deficient number, since it is larger than the sum of its proper divisors (6342007).
25150025 is a wasteful number, since it uses less digits than its factorization.
25150025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9880 (or 9875 counting only the distinct ones).
The product of its (nonzero) digits is 500, while the sum is 20.
The square root of 25150025 is about 5014.9800597809. The cubic root of 25150025 is about 292.9855087243.
Adding to 25150025 its reverse (52005152), we get a palindrome (77155177).
The spelling of 25150025 in words is "twenty-five million, one hundred fifty thousand, twenty-five".
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