Base | Representation |
---|---|
bin | 1000011111000000001111 |
3 | 11011222221200 |
4 | 20133000033 |
5 | 1032133033 |
6 | 115400543 |
7 | 24622245 |
oct | 10370017 |
9 | 4158850 |
10 | 2224143 |
11 | 128a039 |
12 | 8b3153 |
13 | 5cb47c |
14 | 41c795 |
15 | 2de013 |
hex | 21f00f |
2224143 has 12 divisors (see below), whose sum is σ = 3225768. Its totient is φ = 1476720.
The previous prime is 2224141. The next prime is 2224147. The reversal of 2224143 is 3414222.
It is not a de Polignac number, because 2224143 - 21 = 2224141 is a prime.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2224141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3496 + ... + 4082.
It is an arithmetic number, because the mean of its divisors is an integer number (268814).
22224143 is an apocalyptic number.
2224143 is a deficient number, since it is larger than the sum of its proper divisors (1001625).
2224143 is a wasteful number, since it uses less digits than its factorization.
2224143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1014 (or 1011 counting only the distinct ones).
The product of its digits is 384, while the sum is 18.
The square root of 2224143 is about 1491.3560942981. The cubic root of 2224143 is about 130.5331751654.
Adding to 2224143 its reverse (3414222), we get a palindrome (5638365).
The spelling of 2224143 in words is "two million, two hundred twenty-four thousand, one hundred forty-three".
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