Base | Representation |
---|---|
bin | 110000100010… |
… | …1111000001001 |
3 | 1202220002122012 |
4 | 1201011320021 |
5 | 23003431131 |
6 | 2305305305 |
7 | 426224126 |
oct | 141057011 |
9 | 52802565 |
10 | 25452041 |
11 | 1340454a |
12 | 8635235 |
13 | 5371ba4 |
14 | 354774d |
15 | 237b52b |
hex | 1845e09 |
25452041 has 4 divisors (see below), whose sum is σ = 26139972. Its totient is φ = 24764112.
The previous prime is 25452029. The next prime is 25452059. The reversal of 25452041 is 14025452.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 22762441 + 2689600 = 4771^2 + 1640^2 .
It is a cyclic number.
It is not a de Polignac number, because 25452041 - 26 = 25451977 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25451998 and 25452016.
It is not an unprimeable number, because it can be changed into a prime (25452071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343910 + ... + 343983.
It is an arithmetic number, because the mean of its divisors is an integer number (6534993).
Almost surely, 225452041 is an apocalyptic number.
It is an amenable number.
25452041 is a deficient number, since it is larger than the sum of its proper divisors (687931).
25452041 is an equidigital number, since it uses as much as digits as its factorization.
25452041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 687930.
The product of its (nonzero) digits is 1600, while the sum is 23.
The square root of 25452041 is about 5045.0015857282. The cubic root of 25452041 is about 294.1536249580.
Adding to 25452041 its reverse (14025452), we get a palindrome (39477493).
The spelling of 25452041 in words is "twenty-five million, four hundred fifty-two thousand, forty-one".
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