Base | Representation |
---|---|
bin | 110000000111… |
… | …1111111101111 |
3 | 1202110212220012 |
4 | 1200033333233 |
5 | 22424400333 |
6 | 2300443435 |
7 | 424314524 |
oct | 140177757 |
9 | 52425805 |
10 | 25231343 |
11 | 13273755 |
12 | 854957b |
13 | 52c55b7 |
14 | 34cb14b |
15 | 2335e48 |
hex | 180ffef |
25231343 has 4 divisors (see below), whose sum is σ = 25290048. Its totient is φ = 25172640.
The previous prime is 25231331. The next prime is 25231351. The reversal of 25231343 is 34313252.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 25231343 - 26 = 25231279 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25231643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28703 + ... + 29568.
It is an arithmetic number, because the mean of its divisors is an integer number (6322512).
Almost surely, 225231343 is an apocalyptic number.
25231343 is a deficient number, since it is larger than the sum of its proper divisors (58705).
25231343 is an equidigital number, since it uses as much as digits as its factorization.
25231343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58704.
The product of its digits is 2160, while the sum is 23.
The square root of 25231343 is about 5023.0810266210. The cubic root of 25231343 is about 293.3009406666.
Adding to 25231343 its reverse (34313252), we get a palindrome (59544595).
The spelling of 25231343 in words is "twenty-five million, two hundred thirty-one thousand, three hundred forty-three".
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