Base | Representation |
---|---|
bin | 1100100010110… |
… | …01100000100001 |
3 | 21022222221111112 |
4 | 12101121200201 |
5 | 203414133400 |
6 | 14235153105 |
7 | 2415251111 |
oct | 621314041 |
9 | 238887445 |
10 | 105224225 |
11 | 5443a577 |
12 | 2b2a5795 |
13 | 18a52672 |
14 | dd91041 |
15 | 9387835 |
hex | 6459821 |
105224225 has 12 divisors (see below), whose sum is σ = 133513776. Its totient is φ = 82220880.
The previous prime is 105224219. The next prime is 105224227. The reversal of 105224225 is 522422501.
It is not a de Polignac number, because 105224225 - 210 = 105223201 is a prime.
It is a super-2 number, since 2×1052242252 = 22144275053701250, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 105224225.
It is not an unprimeable number, because it can be changed into a prime (105224227) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47867 + ... + 50016.
It is an arithmetic number, because the mean of its divisors is an integer number (11126148).
Almost surely, 2105224225 is an apocalyptic number.
It is an amenable number.
105224225 is a deficient number, since it is larger than the sum of its proper divisors (28289551).
105224225 is an equidigital number, since it uses as much as digits as its factorization.
105224225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97936 (or 97931 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 23.
The square root of 105224225 is about 10257.8859907878. The cubic root of 105224225 is about 472.1049767104.
Adding to 105224225 its reverse (522422501), we get a palindrome (627646726).
The spelling of 105224225 in words is "one hundred five million, two hundred twenty-four thousand, two hundred twenty-five".
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