Base | Representation |
---|---|
bin | 1000001100111… |
… | …01111001101101 |
3 | 11210110121121220 |
4 | 10012131321231 |
5 | 120103213310 |
6 | 10454413553 |
7 | 1463553231 |
oct | 406357155 |
9 | 153417556 |
10 | 68804205 |
11 | 35924688 |
12 | 1b0612b9 |
13 | 11340462 |
14 | 91d05c1 |
15 | 6091670 |
hex | 419de6d |
68804205 has 8 divisors (see below), whose sum is σ = 110086752. Its totient is φ = 36695568.
The previous prime is 68804173. The next prime is 68804227. The reversal of 68804205 is 50240886.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68804205 - 25 = 68804173 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2293459 + ... + 2293488.
It is an arithmetic number, because the mean of its divisors is an integer number (13760844).
Almost surely, 268804205 is an apocalyptic number.
It is an amenable number.
68804205 is a deficient number, since it is larger than the sum of its proper divisors (41282547).
68804205 is a wasteful number, since it uses less digits than its factorization.
68804205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4586955.
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 68804205 is about 8294.8300163415. The cubic root of 68804205 is about 409.7682707979.
The spelling of 68804205 in words is "sixty-eight million, eight hundred four thousand, two hundred five".
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