Base | Representation |
---|---|
bin | 100100011100101… |
… | …1100111011010110 |
3 | 10011020022212101011 |
4 | 1020321130323112 |
5 | 10001043121441 |
6 | 321205322434 |
7 | 42210333460 |
oct | 11071347326 |
9 | 3136285334 |
10 | 1223020246 |
11 | 5783aa238 |
12 | 2a170641a |
13 | 1664c4526 |
14 | b8603130 |
15 | 72586581 |
hex | 48e5ced6 |
1223020246 has 32 divisors (see below), whose sum is σ = 2193942528. Its totient is φ = 500281920.
The previous prime is 1223020243. The next prime is 1223020247. The reversal of 1223020246 is 6420203221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1223020243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12381 + ... + 50983.
It is an arithmetic number, because the mean of its divisors is an integer number (68560704).
Almost surely, 21223020246 is an apocalyptic number.
1223020246 is a deficient number, since it is larger than the sum of its proper divisors (970922282).
1223020246 is a wasteful number, since it uses less digits than its factorization.
1223020246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38716.
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 1223020246 is about 34971.7063638593. The cubic root of 1223020246 is about 1069.4107583411.
Adding to 1223020246 its reverse (6420203221), we get a palindrome (7643223467).
The spelling of 1223020246 in words is "one billion, two hundred twenty-three million, twenty thousand, two hundred forty-six".
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