Base | Representation |
---|---|
bin | 10000000110010100111111 |
3 | 21221102001120 |
4 | 100012110333 |
5 | 2040021343 |
6 | 230242023 |
7 | 50604600 |
oct | 20062477 |
9 | 7842046 |
10 | 4220223 |
11 | 2422797 |
12 | 14b6313 |
13 | b49b97 |
14 | 7bbda7 |
15 | 585683 |
hex | 40653f |
4220223 has 24 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 2283120.
The previous prime is 4220207. The next prime is 4220239. The reversal of 4220223 is 3220224.
It is an interprime number because it is at equal distance from previous prime (4220207) and next prime (4220239).
It is not a de Polignac number, because 4220223 - 24 = 4220207 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4220243) 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 23 ways as a sum of consecutive naturals, for example, 2038 + ... + 3548.
It is an arithmetic number, because the mean of its divisors is an integer number (287280).
Almost surely, 24220223 is an apocalyptic number.
4220223 is a deficient number, since it is larger than the sum of its proper divisors (2674497).
4220223 is a wasteful number, since it uses less digits than its factorization.
4220223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1547 (or 1540 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 4220223 is about 2054.3181350511. The cubic root of 4220223 is about 161.6014053851.
Adding to 4220223 its reverse (3220224), we get a palindrome (7440447).
Subtracting from 4220223 its reverse (3220224), we obtain a palindrome (999999).
The spelling of 4220223 in words is "four million, two hundred twenty thousand, two hundred twenty-three".
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