Base | Representation |
---|---|
bin | 100100011100101… |
… | …1111101000001100 |
3 | 10011020100102112212 |
4 | 1020321133220030 |
5 | 10001044000213 |
6 | 321205445552 |
7 | 42210410642 |
oct | 11071375014 |
9 | 3136312485 |
10 | 1223031308 |
11 | 578407584 |
12 | 2a17108b8 |
13 | 1664c9585 |
14 | b8607192 |
15 | 725899a8 |
hex | 48e5fa0c |
1223031308 has 12 divisors (see below), whose sum is σ = 2144513280. Its totient is φ = 610313232.
The previous prime is 1223031259. The next prime is 1223031343. The reversal of 1223031308 is 8031303221.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298316 + ... + 302387.
It is an arithmetic number, because the mean of its divisors is an integer number (178709440).
Almost surely, 21223031308 is an apocalyptic number.
It is an amenable number.
1223031308 is a deficient number, since it is larger than the sum of its proper divisors (921481972).
1223031308 is a wasteful number, since it uses less digits than its factorization.
1223031308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 601216 (or 601214 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 1223031308 is about 34971.8645199252. The cubic root of 1223031308 is about 1069.4139825412.
Adding to 1223031308 its reverse (8031303221), we get a palindrome (9254334529).
The spelling of 1223031308 in words is "one billion, two hundred twenty-three million, thirty-one thousand, three hundred eight".
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