Base | Representation |
---|---|
bin | 11010010000111… |
… | …01101010001001 |
3 | 120100120112120102 |
4 | 31020131222021 |
5 | 422400304231 |
6 | 33510135145 |
7 | 5313465323 |
oct | 1510355211 |
9 | 510515512 |
10 | 220322441 |
11 | 103403569 |
12 | 619514b5 |
13 | 36851411 |
14 | 21392613 |
15 | 14520acb |
hex | d21da89 |
220322441 has 8 divisors (see below), whose sum is σ = 222884904. Its totient is φ = 217774080.
The previous prime is 220322419. The next prime is 220322447. The reversal of 220322441 is 144223022.
It can be written as a sum of positive squares in 4 ways, for example, as 15832441 + 204490000 = 3979^2 + 14300^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-220322441 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (220322447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29681 + ... + 36353.
It is an arithmetic number, because the mean of its divisors is an integer number (27860613).
Almost surely, 2220322441 is an apocalyptic number.
It is an amenable number.
220322441 is a deficient number, since it is larger than the sum of its proper divisors (2562463).
220322441 is a wasteful number, since it uses less digits than its factorization.
220322441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7051.
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 220322441 is about 14843.2624783098. The cubic root of 220322441 is about 603.9758562707.
Adding to 220322441 its reverse (144223022), we get a palindrome (364545463).
The spelling of 220322441 in words is "two hundred twenty million, three hundred twenty-two thousand, four hundred forty-one".
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