Base | Representation |
---|---|
bin | 11010010000001… |
… | …01111011110001 |
3 | 120100101121021022 |
4 | 31020011323301 |
5 | 422334202030 |
6 | 33504105225 |
7 | 5312612111 |
oct | 1510057361 |
9 | 510347238 |
10 | 220225265 |
11 | 103347557 |
12 | 61905215 |
13 | 36819110 |
14 | 21369041 |
15 | 14501de5 |
hex | d205ef1 |
220225265 has 8 divisors (see below), whose sum is σ = 284598888. Its totient is φ = 162627840.
The previous prime is 220225241. The next prime is 220225267. The reversal of 220225265 is 562522022.
220225265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 23580736 + 196644529 = 4856^2 + 14023^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 220225265 - 214 = 220208881 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (220225267) 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, 1693976 + ... + 1694105.
It is an arithmetic number, because the mean of its divisors is an integer number (35574861).
Almost surely, 2220225265 is an apocalyptic number.
It is an amenable number.
220225265 is a deficient number, since it is larger than the sum of its proper divisors (64373623).
220225265 is a wasteful number, since it uses less digits than its factorization.
220225265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3388099.
The product of its (nonzero) digits is 4800, while the sum is 26.
The square root of 220225265 is about 14839.9887129337. The cubic root of 220225265 is about 603.8870461483.
Adding to 220225265 its reverse (562522022), we get a palindrome (782747287).
The spelling of 220225265 in words is "two hundred twenty million, two hundred twenty-five thousand, two hundred sixty-five".
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