Base | Representation |
---|---|
bin | 1000001001010… |
… | …00001110100100 |
3 | 11202120010110022 |
4 | 10010220032210 |
5 | 114442302322 |
6 | 10440214312 |
7 | 1456505060 |
oct | 404501644 |
9 | 152503408 |
10 | 68322212 |
11 | 35625542 |
12 | 1aa6a398 |
13 | 11201c5a |
14 | 9106aa0 |
15 | 5ee8942 |
hex | 41283a4 |
68322212 has 12 divisors (see below), whose sum is σ = 136644480. Its totient is φ = 29280936.
The previous prime is 68322211. The next prime is 68322217. The reversal of 68322212 is 21222386.
68322212 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (68322211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220012 + ... + 1220067.
It is an arithmetic number, because the mean of its divisors is an integer number (11387040).
Almost surely, 268322212 is an apocalyptic number.
It is an amenable number.
68322212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68322212 is a wasteful number, since it uses less digits than its factorization.
68322212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2440090 (or 2440088 counting only the distinct ones).
The product of its digits is 2304, while the sum is 26.
The square root of 68322212 is about 8265.7251345541. The cubic root of 68322212 is about 408.8091800206.
Adding to 68322212 its reverse (21222386), we get a palindrome (89544598).
The spelling of 68322212 in words is "sixty-eight million, three hundred twenty-two thousand, two hundred twelve".
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