Base | Representation |
---|---|
bin | 1000001011011111011111 |
3 | 11000221022200 |
4 | 20023133133 |
5 | 1022103343 |
6 | 113542543 |
7 | 24140244 |
oct | 10133737 |
9 | 4027280 |
10 | 2144223 |
11 | 1234a94 |
12 | 874a53 |
13 | 5a0c93 |
14 | 3db5cb |
15 | 2c54d3 |
hex | 20b7df |
2144223 has 6 divisors (see below), whose sum is σ = 3097224. Its totient is φ = 1429476.
The previous prime is 2144213. The next prime is 2144243. The reversal of 2144223 is 3224412.
It is not a de Polignac number, because 2144223 - 29 = 2143711 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2144196 and 2144205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2144213) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119115 + ... + 119132.
It is an arithmetic number, because the mean of its divisors is an integer number (516204).
22144223 is an apocalyptic number.
2144223 is a deficient number, since it is larger than the sum of its proper divisors (953001).
2144223 is a wasteful number, since it uses less digits than its factorization.
2144223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238253 (or 238250 counting only the distinct ones).
The product of its digits is 384, while the sum is 18.
The square root of 2144223 is about 1464.3165641350. The cubic root of 2144223 is about 128.9505850035.
Adding to 2144223 its reverse (3224412), we get a palindrome (5368635).
It can be divided in two parts, 21 and 44223, that added together give a palindrome (44244).
The spelling of 2144223 in words is "two million, one hundred forty-four thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •