Base | Representation |
---|---|
bin | 101100001001… |
… | …0011100011111 |
3 | 1121112211220110 |
4 | 1120102130133 |
5 | 21411103343 |
6 | 2144021103 |
7 | 400502604 |
oct | 130223437 |
9 | 47484813 |
10 | 23144223 |
11 | 12078663 |
12 | 7901793 |
13 | 4a4460b |
14 | 31066ab |
15 | 2072833 |
hex | 161271f |
23144223 has 16 divisors (see below), whose sum is σ = 32710400. Its totient is φ = 14515200.
The previous prime is 23144201. The next prime is 23144227. The reversal of 23144223 is 32244132.
It is not a de Polignac number, because 23144223 - 210 = 23143199 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23144223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23144227) 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 15 ways as a sum of consecutive naturals, for example, 7263 + ... + 9951.
It is an arithmetic number, because the mean of its divisors is an integer number (2044400).
Almost surely, 223144223 is an apocalyptic number.
23144223 is a deficient number, since it is larger than the sum of its proper divisors (9566177).
23144223 is a wasteful number, since it uses less digits than its factorization.
23144223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2862.
The product of its digits is 1152, while the sum is 21.
The square root of 23144223 is about 4810.8443125921. The cubic root of 23144223 is about 284.9798816208.
Adding to 23144223 its reverse (32244132), we get a palindrome (55388355).
Subtracting 23144223 from its reverse (32244132), we obtain a palindrome (9099909).
The spelling of 23144223 in words is "twenty-three million, one hundred forty-four thousand, two hundred twenty-three".
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