Base | Representation |
---|---|
bin | 1000001101100… |
… | …01011011100111 |
3 | 11210121200100122 |
4 | 10012301123213 |
5 | 120113243244 |
6 | 10500232155 |
7 | 1464335366 |
oct | 406613347 |
9 | 153550318 |
10 | 68884199 |
11 | 3597979a |
12 | 1b09b65b |
13 | 1136a9a7 |
14 | 92117dd |
15 | 60aa1ee |
hex | 41b16e7 |
68884199 has 4 divisors (see below), whose sum is σ = 68925120. Its totient is φ = 68843280.
The previous prime is 68884183. The next prime is 68884213. The reversal of 68884199 is 99148886.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 68884199 - 24 = 68884183 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 68884199.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68884169) 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, 17822 + ... + 21339.
It is an arithmetic number, because the mean of its divisors is an integer number (17231280).
Almost surely, 268884199 is an apocalyptic number.
68884199 is a deficient number, since it is larger than the sum of its proper divisors (40921).
68884199 is a wasteful number, since it uses less digits than its factorization.
68884199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40920.
The product of its digits is 995328, while the sum is 53.
The square root of 68884199 is about 8299.6505348117. The cubic root of 68884199 is about 409.9270125877.
The spelling of 68884199 in words is "sixty-eight million, eight hundred eighty-four thousand, one hundred ninety-nine".
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