Base | Representation |
---|---|
bin | 1000001000100… |
… | …11010001111100 |
3 | 11202101202202112 |
4 | 10010103101330 |
5 | 114432031122 |
6 | 10434313152 |
7 | 1455666656 |
oct | 404232174 |
9 | 152352675 |
10 | 68236412 |
11 | 35577032 |
12 | 1aa287b8 |
13 | 111a1b9a |
14 | 90c36d6 |
15 | 5ecd2e2 |
hex | 411347c |
68236412 has 24 divisors (see below), whose sum is σ = 121020480. Its totient is φ = 33662720.
The previous prime is 68236409. The next prime is 68236417. The reversal of 68236412 is 21463286.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68236417) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130712 + ... + 131232.
It is an arithmetic number, because the mean of its divisors is an integer number (5042520).
Almost surely, 268236412 is an apocalyptic number.
It is an amenable number.
68236412 is a deficient number, since it is larger than the sum of its proper divisors (52784068).
68236412 is a wasteful number, since it uses less digits than its factorization.
68236412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 901 (or 899 counting only the distinct ones).
The product of its digits is 13824, while the sum is 32.
The square root of 68236412 is about 8260.5333968213. The cubic root of 68236412 is about 408.6379788852.
Adding to 68236412 its reverse (21463286), we get a palindrome (89699698).
The spelling of 68236412 in words is "sixty-eight million, two hundred thirty-six thousand, four hundred twelve".
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