Base | Representation |
---|---|
bin | 1010110010111110001111 |
3 | 12022210100002 |
4 | 22302332033 |
5 | 1211031343 |
6 | 140354515 |
7 | 33025244 |
oct | 12627617 |
9 | 5283302 |
10 | 2830223 |
11 | 1663430 |
12 | b45a3b |
13 | 7812b6 |
14 | 5395cb |
15 | 3ad8b8 |
hex | 2b2f8f |
2830223 has 4 divisors (see below), whose sum is σ = 3087528. Its totient is φ = 2572920.
The previous prime is 2830187. The next prime is 2830229. The reversal of 2830223 is 3220382.
It is a happy number.
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 2830223 - 216 = 2764687 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2830195 and 2830204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2830229) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128636 + ... + 128657.
It is an arithmetic number, because the mean of its divisors is an integer number (771882).
22830223 is an apocalyptic number.
2830223 is a deficient number, since it is larger than the sum of its proper divisors (257305).
2830223 is a wasteful number, since it uses less digits than its factorization.
2830223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 257304.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 2830223 is about 1682.3266626907. The cubic root of 2830223 is about 141.4512811589.
The spelling of 2830223 in words is "two million, eight hundred thirty thousand, two hundred twenty-three".
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