Base | Representation |
---|---|
bin | 1000000111011… |
… | …10100010110101 |
3 | 11202010010100112 |
4 | 10003232202311 |
5 | 114412222231 |
6 | 10431152405 |
7 | 1454502200 |
oct | 403564265 |
9 | 152103315 |
10 | 68085941 |
11 | 35483a80 |
12 | 1a975705 |
13 | 1114b551 |
14 | 9084937 |
15 | 5e9d92b |
hex | 40ee8b5 |
68085941 has 24 divisors (see below), whose sum is σ = 87907680. Its totient is φ = 52130400.
The previous prime is 68085931. The next prime is 68085959. The reversal of 68085941 is 14958086.
It is not a de Polignac number, because 68085941 - 210 = 68084917 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68085931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30731 + ... + 32871.
It is an arithmetic number, because the mean of its divisors is an integer number (3662820).
Almost surely, 268085941 is an apocalyptic number.
It is an amenable number.
68085941 is a deficient number, since it is larger than the sum of its proper divisors (19821739).
68085941 is a wasteful number, since it uses less digits than its factorization.
68085941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2225 (or 2218 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 41.
The square root of 68085941 is about 8251.4205443669. The cubic root of 68085941 is about 408.3373895289.
The spelling of 68085941 in words is "sixty-eight million, eighty-five thousand, nine hundred forty-one".
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