Base | Representation |
---|---|
bin | 1000011100010101011011 |
3 | 11011102221210 |
4 | 20130111123 |
5 | 1031310321 |
6 | 115234203 |
7 | 24545340 |
oct | 10342533 |
9 | 4142853 |
10 | 2213211 |
11 | 1281900 |
12 | 8a8963 |
13 | 5c64c0 |
14 | 4187c7 |
15 | 2dab76 |
hex | 21c55b |
2213211 has 48 divisors (see below), whose sum is σ = 4051712. Its totient is φ = 1045440.
The previous prime is 2213209. The next prime is 2213243. The reversal of 2213211 is 1123122.
2213211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2213211 - 21 = 2213209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2213201) 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 47 ways as a sum of consecutive naturals, for example, 33000 + ... + 33066.
22213211 is an apocalyptic number.
2213211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2213211 is a deficient number, since it is larger than the sum of its proper divisors (1838501).
2213211 is a wasteful number, since it uses less digits than its factorization.
2213211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112 (or 101 counting only the distinct ones).
The product of its digits is 24, while the sum is 12.
The square root of 2213211 is about 1487.6864589019. The cubic root of 2213211 is about 130.3189603673.
Adding to 2213211 its reverse (1123122), we get a palindrome (3336333).
The spelling of 2213211 in words is "two million, two hundred thirteen thousand, two hundred eleven".
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