Base | Representation |
---|---|
bin | 110001000010… |
… | …0001011100001 |
3 | 1210101001200202 |
4 | 1202010023201 |
5 | 23040112413 |
6 | 2314554545 |
7 | 431336126 |
oct | 142041341 |
9 | 53331622 |
10 | 25707233 |
11 | 13569252 |
12 | 8738a55 |
13 | 54310a6 |
14 | 35b274d |
15 | 23cbe58 |
hex | 18842e1 |
25707233 has 4 divisors (see below), whose sum is σ = 25731888. Its totient is φ = 25682580.
The previous prime is 25707211. The next prime is 25707239. The reversal of 25707233 is 33270752.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 25707233 - 28 = 25706977 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25707196 and 25707205.
It is not an unprimeable number, because it can be changed into a prime (25707239) 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, 10691 + ... + 12872.
It is an arithmetic number, because the mean of its divisors is an integer number (6432972).
Almost surely, 225707233 is an apocalyptic number.
It is an amenable number.
25707233 is a deficient number, since it is larger than the sum of its proper divisors (24655).
25707233 is a wasteful number, since it uses less digits than its factorization.
25707233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24654.
The product of its (nonzero) digits is 8820, while the sum is 29.
The square root of 25707233 is about 5070.2300736752. The cubic root of 25707233 is about 295.1334568041.
Adding to 25707233 its reverse (33270752), we get a palindrome (58977985).
The spelling of 25707233 in words is "twenty-five million, seven hundred seven thousand, two hundred thirty-three".
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