Base | Representation |
---|---|
bin | 1011111111101101… |
… | …1001101111111111 |
3 | 22022102000222100021 |
4 | 2333323121233333 |
5 | 23043311121343 |
6 | 1251304113011 |
7 | 142536502030 |
oct | 27773315777 |
9 | 8272028307 |
10 | 3220020223 |
11 | 1402687942 |
12 | 75a465767 |
13 | 3c415b214 |
14 | 22791aa87 |
15 | 13ca550ed |
hex | bfed9bff |
3220020223 has 4 divisors (see below), whose sum is σ = 3680023120. Its totient is φ = 2760017328.
The previous prime is 3220020211. The next prime is 3220020233. The reversal of 3220020223 is 3220200223.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 3220020223 - 217 = 3219889151 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3220020197 and 3220020206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3220020233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230001438 + ... + 230001451.
It is an arithmetic number, because the mean of its divisors is an integer number (920005780).
Almost surely, 23220020223 is an apocalyptic number.
3220020223 is a deficient number, since it is larger than the sum of its proper divisors (460002897).
3220020223 is an equidigital number, since it uses as much as digits as its factorization.
3220020223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 460002896.
The product of its (nonzero) digits is 288, while the sum is 16.
The square root of 3220020223 is about 56745.2220279382. Note that the first 3 decimals coincide. The cubic root of 3220020223 is about 1476.6793433160.
Adding to 3220020223 its reverse (3220200223), we get a palindrome (6440220446).
The spelling of 3220020223 in words is "three billion, two hundred twenty million, twenty thousand, two hundred twenty-three".
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