Base | Representation |
---|---|
bin | 110000100011… |
… | …0011010100011 |
3 | 1202220012122202 |
4 | 1201012122203 |
5 | 23004013433 |
6 | 2305323415 |
7 | 426233423 |
oct | 141063243 |
9 | 52805582 |
10 | 25454243 |
11 | 13406171 |
12 | 863656b |
13 | 5372ba9 |
14 | 3548483 |
15 | 237bee8 |
hex | 18466a3 |
25454243 has 8 divisors (see below), whose sum is σ = 26961600. Its totient is φ = 23963688.
The previous prime is 25454227. The next prime is 25454249. The reversal of 25454243 is 34245452.
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 25454243 - 24 = 25454227 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25454249) 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, 1013 + ... + 7206.
It is an arithmetic number, because the mean of its divisors is an integer number (3370200).
Almost surely, 225454243 is an apocalyptic number.
25454243 is a deficient number, since it is larger than the sum of its proper divisors (1507357).
25454243 is a wasteful number, since it uses less digits than its factorization.
25454243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8401.
The product of its digits is 19200, while the sum is 29.
The square root of 25454243 is about 5045.2198168167. The cubic root of 25454243 is about 294.1621076779.
Adding to 25454243 its reverse (34245452), we get a palindrome (59699695).
The spelling of 25454243 in words is "twenty-five million, four hundred fifty-four thousand, two hundred forty-three".
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