Base | Representation |
---|---|
bin | 10000000110110010111111 |
3 | 21221111200200 |
4 | 100012302333 |
5 | 2040102033 |
6 | 230254543 |
7 | 50613312 |
oct | 20066277 |
9 | 7844620 |
10 | 4222143 |
11 | 2424182 |
12 | 14b7453 |
13 | b4aa13 |
14 | 7bc979 |
15 | 586013 |
hex | 406cbf |
4222143 has 6 divisors (see below), whose sum is σ = 6098664. Its totient is φ = 2814756.
The previous prime is 4222117. The next prime is 4222177. The reversal of 4222143 is 3412224.
It is not a de Polignac number, because 4222143 - 29 = 4221631 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4222243) 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, 234555 + ... + 234572.
It is an arithmetic number, because the mean of its divisors is an integer number (1016444).
Almost surely, 24222143 is an apocalyptic number.
4222143 is a deficient number, since it is larger than the sum of its proper divisors (1876521).
4222143 is a wasteful number, since it uses less digits than its factorization.
4222143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469133 (or 469130 counting only the distinct ones).
The product of its digits is 384, while the sum is 18.
The square root of 4222143 is about 2054.7853902537. The cubic root of 4222143 is about 161.6259086445.
Adding to 4222143 its reverse (3412224), we get a palindrome (7634367).
The spelling of 4222143 in words is "four million, two hundred twenty-two thousand, one hundred forty-three".
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