Base | Representation |
---|---|
bin | 100100011111011… |
… | …1000000111011010 |
3 | 10011100000010002221 |
4 | 1020332320013122 |
5 | 10001424123310 |
6 | 321300014254 |
7 | 42225405466 |
oct | 11076700732 |
9 | 3140003087 |
10 | 1224442330 |
11 | 579190711 |
12 | 2a209138a |
13 | 1668a18b7 |
14 | b88934a6 |
15 | 72767ada |
hex | 48fb81da |
1224442330 has 32 divisors (see below), whose sum is σ = 2245501440. Its totient is φ = 480629760.
The previous prime is 1224442301. The next prime is 1224442333. The reversal of 1224442330 is 332444221.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1224442295 and 1224442304.
It is not an unprimeable number, because it can be changed into a prime (1224442333) 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, 127290 + ... + 136570.
It is an arithmetic number, because the mean of its divisors is an integer number (70171920).
Almost surely, 21224442330 is an apocalyptic number.
1224442330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1224442330 is a deficient number, since it is larger than the sum of its proper divisors (1021059110).
1224442330 is a wasteful number, since it uses less digits than its factorization.
1224442330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9534.
The product of its (nonzero) digits is 4608, while the sum is 25.
The square root of 1224442330 is about 34992.0323788145. The cubic root of 1224442330 is about 1069.8250885954.
Adding to 1224442330 its reverse (332444221), we get a palindrome (1556886551).
The spelling of 1224442330 in words is "one billion, two hundred twenty-four million, four hundred forty-two thousand, three hundred thirty".
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