Base | Representation |
---|---|
bin | 110000010000… |
… | …1100010110111 |
3 | 1202121112111102 |
4 | 1200201202313 |
5 | 22434200343 |
6 | 2302200315 |
7 | 425034221 |
oct | 140414267 |
9 | 52545442 |
10 | 25303223 |
11 | 13312760 |
12 | 858309b |
13 | 531c22a |
14 | 3509411 |
15 | 234c3b8 |
hex | 18218b7 |
25303223 has 8 divisors (see below), whose sum is σ = 28494336. Its totient is φ = 22260600.
The previous prime is 25303211. The next prime is 25303237. The reversal of 25303223 is 32230352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-25303223 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25303195 and 25303204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25303423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36761 + ... + 37442.
It is an arithmetic number, because the mean of its divisors is an integer number (3561792).
Almost surely, 225303223 is an apocalyptic number.
25303223 is a deficient number, since it is larger than the sum of its proper divisors (3191113).
25303223 is a wasteful number, since it uses less digits than its factorization.
25303223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74245.
The product of its (nonzero) digits is 1080, while the sum is 20.
The square root of 25303223 is about 5030.2309092128. The cubic root of 25303223 is about 293.5791988508.
Adding to 25303223 its reverse (32230352), we get a palindrome (57533575).
The spelling of 25303223 in words is "twenty-five million, three hundred three thousand, two hundred twenty-three".
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