Base | Representation |
---|---|
bin | 110000000111… |
… | …0111100010001 |
3 | 1202110122222021 |
4 | 1200032330101 |
5 | 22424231100 |
6 | 2300411441 |
7 | 424266115 |
oct | 140167421 |
9 | 52418867 |
10 | 25227025 |
11 | 1327048a |
12 | 8546b81 |
13 | 52c3645 |
14 | 34c9745 |
15 | 2334a1a |
hex | 180ef11 |
25227025 has 24 divisors (see below), whose sum is σ = 33085184. Its totient is φ = 19051200.
The previous prime is 25227023. The next prime is 25227029. The reversal of 25227025 is 52072252.
It is not a de Polignac number, because 25227025 - 21 = 25227023 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (25227023) 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 23 ways as a sum of consecutive naturals, for example, 32947 + ... + 33703.
Almost surely, 225227025 is an apocalyptic number.
25227025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25227025 is a deficient number, since it is larger than the sum of its proper divisors (7858159).
25227025 is a wasteful number, since it uses less digits than its factorization.
25227025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 841 (or 836 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 25.
The square root of 25227025 is about 5022.6511923485. The cubic root of 25227025 is about 293.2842082277.
Adding to 25227025 its reverse (52072252), we get a palindrome (77299277).
The spelling of 25227025 in words is "twenty-five million, two hundred twenty-seven thousand, twenty-five".
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