Base | Representation |
---|---|
bin | 1000001001101… |
… | …11010110100110 |
3 | 11202200021102220 |
4 | 10010313112212 |
5 | 120001243131 |
6 | 10441413210 |
7 | 1460153514 |
oct | 404672646 |
9 | 152607386 |
10 | 68384166 |
11 | 35668044 |
12 | 1aa9a206 |
13 | 11224206 |
14 | 91214b4 |
15 | 600be96 |
hex | 41375a6 |
68384166 has 32 divisors (see below), whose sum is σ = 145981440. Its totient is φ = 21280896.
The previous prime is 68384159. The next prime is 68384189. The reversal of 68384166 is 66148386.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 10315 + ... + 15593.
It is an arithmetic number, because the mean of its divisors is an integer number (4561920).
Almost surely, 268384166 is an apocalyptic number.
68384166 is an abundant number, since it is smaller than the sum of its proper divisors (77597274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68384166 is a wasteful number, since it uses less digits than its factorization.
68384166 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5428.
The product of its digits is 165888, while the sum is 42.
The square root of 68384166 is about 8269.4719299360. The cubic root of 68384166 is about 408.9327109169.
The spelling of 68384166 in words is "sixty-eight million, three hundred eighty-four thousand, one hundred sixty-six".
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