Base | Representation |
---|---|
bin | 11010100110011… |
… | …10010010000011 |
3 | 120112212211201011 |
4 | 31103032102003 |
5 | 424111034133 |
6 | 34050421351 |
7 | 5346453544 |
oct | 1523162203 |
9 | 515784634 |
10 | 223143043 |
11 | 104a5a742 |
12 | 62891857 |
13 | 372cb206 |
14 | 218c84cb |
15 | 148cb6cd |
hex | d4ce483 |
223143043 has 8 divisors (see below), whose sum is σ = 226245312. Its totient is φ = 220059816.
The previous prime is 223143017. The next prime is 223143047. The reversal of 223143043 is 340341322.
It is a happy number.
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-223143043 is a prime.
It is a super-3 number, since 3×2231430433 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (223143047) 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, 19696 + ... + 28882.
It is an arithmetic number, because the mean of its divisors is an integer number (28280664).
Almost surely, 2223143043 is an apocalyptic number.
223143043 is a deficient number, since it is larger than the sum of its proper divisors (3102269).
223143043 is a wasteful number, since it uses less digits than its factorization.
223143043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9521.
The product of its (nonzero) digits is 1728, while the sum is 22.
The square root of 223143043 is about 14937.9731891579. The cubic root of 223143043 is about 606.5423325618.
Adding to 223143043 its reverse (340341322), we get a palindrome (563484365).
The spelling of 223143043 in words is "two hundred twenty-three million, one hundred forty-three thousand, forty-three".
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