Base | Representation |
---|---|
bin | 101111101100… |
… | …0000011101111 |
3 | 1202001020121021 |
4 | 1133120003233 |
5 | 22400032343 |
6 | 2251515011 |
7 | 422341531 |
oct | 137300357 |
9 | 52036537 |
10 | 25002223 |
11 | 131275a4 |
12 | 8458a67 |
13 | 524521c |
14 | 346b851 |
15 | 22dd0ed |
hex | 17d80ef |
25002223 has 8 divisors (see below), whose sum is σ = 26563680. Its totient is φ = 23450880.
The previous prime is 25002209. The next prime is 25002227. The reversal of 25002223 is 32220052.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 25002223 - 25 = 25002191 is a prime.
It is a super-2 number, since 2×250022232 = 1250222309883458, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25002197 and 25002206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25002227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2923 + ... + 7651.
It is an arithmetic number, because the mean of its divisors is an integer number (3320460).
Almost surely, 225002223 is an apocalyptic number.
25002223 is a deficient number, since it is larger than the sum of its proper divisors (1561457).
25002223 is a wasteful number, since it uses less digits than its factorization.
25002223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5057.
The product of its (nonzero) digits is 240, while the sum is 16.
The square root of 25002223 is about 5000.2222950585. Note that the first 4 decimals coincide. The cubic root of 25002223 is about 292.4104403530.
Adding to 25002223 its reverse (32220052), we get a palindrome (57222275).
The spelling of 25002223 in words is "twenty-five million, two thousand, two hundred twenty-three".
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