Base | Representation |
---|---|
bin | 101010111100111… |
… | …0100011101011011 |
3 | 10201102220120202221 |
4 | 1111321310131123 |
5 | 10422423023233 |
6 | 355002204511 |
7 | 50500112605 |
oct | 12571643533 |
9 | 3642816687 |
10 | 1441220443 |
11 | 67a593283 |
12 | 3427b3737 |
13 | 19c781980 |
14 | d95a2175 |
15 | 867d842d |
hex | 55e7475b |
1441220443 has 4 divisors (see below), whose sum is σ = 1552083568. Its totient is φ = 1330357320.
The previous prime is 1441220437. The next prime is 1441220461. The reversal of 1441220443 is 3440221441.
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 1441220443 - 213 = 1441212251 is a prime.
It is a super-2 number, since 2×14412204432 = 4154232730642232498, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1441220423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55431543 + ... + 55431568.
It is an arithmetic number, because the mean of its divisors is an integer number (388020892).
Almost surely, 21441220443 is an apocalyptic number.
1441220443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1441220443 is a deficient number, since it is larger than the sum of its proper divisors (110863125).
1441220443 is a wasteful number, since it uses less digits than its factorization.
1441220443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110863124.
The product of its (nonzero) digits is 3072, while the sum is 25.
The square root of 1441220443 is about 37963.4092647117. The cubic root of 1441220443 is about 1129.5621670266.
Adding to 1441220443 its reverse (3440221441), we get a palindrome (4881441884).
The spelling of 1441220443 in words is "one billion, four hundred forty-one million, two hundred twenty thousand, four hundred forty-three".
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