Base | Representation |
---|---|
bin | 100100011111011… |
… | …1000101000001000 |
3 | 10011100000012222111 |
4 | 1020332320220020 |
5 | 10001424210144 |
6 | 321300032104 |
7 | 42225414550 |
oct | 11076705010 |
9 | 3140005874 |
10 | 1224444424 |
11 | 579192245 |
12 | 2a2092634 |
13 | 1668a2838 |
14 | b8894160 |
15 | 72768534 |
hex | 48fb8a08 |
1224444424 has 32 divisors (see below), whose sum is σ = 2643854400. Its totient is φ = 520752960.
The previous prime is 1224444421. The next prime is 1224444433. The reversal of 1224444424 is 4244444221.
It is a happy number.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (1224444421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76119 + ... + 90790.
It is an arithmetic number, because the mean of its divisors is an integer number (82620450).
Almost surely, 21224444424 is an apocalyptic number.
1224444424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
1224444424 is an abundant number, since it is smaller than the sum of its proper divisors (1419409976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1224444424 is a wasteful number, since it uses less digits than its factorization.
1224444424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 167053 (or 167049 counting only the distinct ones).
The product of its digits is 32768, while the sum is 31.
The square root of 1224444424 is about 34992.0622998988. The cubic root of 1224444424 is about 1069.8256984547.
Adding to 1224444424 its reverse (4244444221), we get a palindrome (5468888645).
The spelling of 1224444424 in words is "one billion, two hundred twenty-four million, four hundred forty-four thousand, four hundred twenty-four".
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