Base | Representation |
---|---|
bin | 1001100010110… |
… | …11111011000001 |
3 | 12120122220001012 |
4 | 10301123323001 |
5 | 130444141124 |
6 | 11540050305 |
7 | 1661366150 |
oct | 461337301 |
9 | 176586035 |
10 | 80068289 |
11 | 41218544 |
12 | 22993995 |
13 | 137854b2 |
14 | a8c3597 |
15 | 7068e0e |
hex | 4c5bec1 |
80068289 has 8 divisors (see below), whose sum is σ = 91654080. Its totient is φ = 68519376.
The previous prime is 80068271. The next prime is 80068291. The reversal of 80068289 is 98286008.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80068289 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80068229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4394 + ... + 13395.
It is an arithmetic number, because the mean of its divisors is an integer number (11456760).
Almost surely, 280068289 is an apocalyptic number.
It is an amenable number.
80068289 is a deficient number, since it is larger than the sum of its proper divisors (11585791).
80068289 is a wasteful number, since it uses less digits than its factorization.
80068289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18439.
The product of its (nonzero) digits is 55296, while the sum is 41.
The square root of 80068289 is about 8948.0885668393. The cubic root of 80068289 is about 431.0095066297.
The spelling of 80068289 in words is "eighty million, sixty-eight thousand, two hundred eighty-nine".
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