Base | Representation |
---|---|
bin | 101111101110… |
… | …1101011011101 |
3 | 1202002102011221 |
4 | 1133131223131 |
5 | 22401301440 |
6 | 2252213341 |
7 | 422465620 |
oct | 137355335 |
9 | 52072157 |
10 | 25025245 |
11 | 13142923 |
12 | 846a251 |
13 | 525284b |
14 | 3475db7 |
15 | 22e4d4a |
hex | 17ddadd |
25025245 has 16 divisors (see below), whose sum is σ = 34502400. Its totient is φ = 17069184.
The previous prime is 25025213. The next prime is 25025251. The reversal of 25025245 is 54252052.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 25025245 - 25 = 25025213 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5169 + ... + 8761.
It is an arithmetic number, because the mean of its divisors is an integer number (2156400).
Almost surely, 225025245 is an apocalyptic number.
It is an amenable number.
25025245 is a deficient number, since it is larger than the sum of its proper divisors (9477155).
25025245 is a wasteful number, since it uses less digits than its factorization.
25025245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3804.
The product of its (nonzero) digits is 4000, while the sum is 25.
The square root of 25025245 is about 5002.5238630115. The cubic root of 25025245 is about 292.5001631479.
Adding to 25025245 its reverse (54252052), we get a palindrome (79277297).
The spelling of 25025245 in words is "twenty-five million, twenty-five thousand, two hundred forty-five".
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