Base | Representation |
---|---|
bin | 110000001000… |
… | …0110100100011 |
3 | 1202111001112101 |
4 | 1200100310203 |
5 | 22430002343 |
6 | 2300511231 |
7 | 424330423 |
oct | 140206443 |
9 | 52431471 |
10 | 25234723 |
11 | 13276248 |
12 | 854b517 |
13 | 52c6cb7 |
14 | 34cc483 |
15 | 2336e4d |
hex | 1810d23 |
25234723 has 4 divisors (see below), whose sum is σ = 25771680. Its totient is φ = 24697768.
The previous prime is 25234637. The next prime is 25234757. The reversal of 25234723 is 32743252.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-25234723 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25234691 and 25234700.
It is not an unprimeable number, because it can be changed into a prime (25234763) 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, 268408 + ... + 268501.
It is an arithmetic number, because the mean of its divisors is an integer number (6442920).
Almost surely, 225234723 is an apocalyptic number.
25234723 is a deficient number, since it is larger than the sum of its proper divisors (536957).
25234723 is an equidigital number, since it uses as much as digits as its factorization.
25234723 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 536956.
The product of its digits is 10080, while the sum is 28.
The square root of 25234723 is about 5023.4174622462. The cubic root of 25234723 is about 293.3140369825.
Adding to 25234723 its reverse (32743252), we get a palindrome (57977975).
The spelling of 25234723 in words is "twenty-five million, two hundred thirty-four thousand, seven hundred twenty-three".
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