Base | Representation |
---|---|
bin | 11010011110110… |
… | …01111001011011 |
3 | 120110222222121002 |
4 | 31033121321123 |
5 | 423332021133 |
6 | 34013135215 |
7 | 5335114304 |
oct | 1517317133 |
9 | 513888532 |
10 | 222142043 |
11 | 104436672 |
12 | 6248a50b |
13 | 3703a6c6 |
14 | 217077ab |
15 | 1477ece8 |
hex | d3d9e5b |
222142043 has 16 divisors (see below), whose sum is σ = 243038880. Its totient is φ = 202185216.
The previous prime is 222142007. The next prime is 222142049. The reversal of 222142043 is 340241222.
It is not a de Polignac number, because 222142043 - 212 = 222137947 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (222142049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111605 + ... + 113577.
It is an arithmetic number, because the mean of its divisors is an integer number (15189930).
Almost surely, 2222142043 is an apocalyptic number.
222142043 is a deficient number, since it is larger than the sum of its proper divisors (20896837).
222142043 is a wasteful number, since it uses less digits than its factorization.
222142043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2206.
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 222142043 is about 14904.4303145072. The cubic root of 222142043 is about 605.6340078564.
Adding to 222142043 its reverse (340241222), we get a palindrome (562383265).
The spelling of 222142043 in words is "two hundred twenty-two million, one hundred forty-two thousand, forty-three".
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