Base | Representation |
---|---|
bin | 11110001011001… |
… | …11010100101001 |
3 | 122122022100010010 |
4 | 33011213110221 |
5 | 1004300130100 |
6 | 41041242133 |
7 | 6162366261 |
oct | 1705472451 |
9 | 578270103 |
10 | 253130025 |
11 | 11a981375 |
12 | 70933349 |
13 | 4059a2a5 |
14 | 258927a1 |
15 | 17351750 |
hex | f167529 |
253130025 has 24 divisors (see below), whose sum is σ = 419973120. Its totient is φ = 134530240.
The previous prime is 253130021. The next prime is 253130041. The reversal of 253130025 is 520031352.
It is not a de Polignac number, because 253130025 - 22 = 253130021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 253129983 and 253130010.
It is not an unprimeable number, because it can be changed into a prime (253130021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16216 + ... + 27734.
It is an arithmetic number, because the mean of its divisors is an integer number (17498880).
Almost surely, 2253130025 is an apocalyptic number.
253130025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
253130025 is a deficient number, since it is larger than the sum of its proper divisors (166843095).
253130025 is a wasteful number, since it uses less digits than its factorization.
253130025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11825 (or 11820 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 21.
The square root of 253130025 is about 15910.0604964280. The cubic root of 253130025 is about 632.5786848737.
Adding to 253130025 its reverse (520031352), we get a palindrome (773161377).
The spelling of 253130025 in words is "two hundred fifty-three million, one hundred thirty thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •