Base | Representation |
---|---|
bin | 1001100100110… |
… | …11110101010010 |
3 | 12121011012010122 |
4 | 10302123311102 |
5 | 131031030231 |
6 | 11545430242 |
7 | 1663536305 |
oct | 462336522 |
9 | 177135118 |
10 | 80330066 |
11 | 41387193 |
12 | 22a9b382 |
13 | 138476ab |
14 | a950b3c |
15 | 70bb77b |
hex | 4c9bd52 |
80330066 has 8 divisors (see below), whose sum is σ = 127583100. Its totient is φ = 37802368.
The previous prime is 80330027. The next prime is 80330069. The reversal of 80330066 is 66003308.
It can be written as a sum of positive squares in 2 ways, for example, as 64561225 + 15768841 = 8035^2 + 3971^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (80330069) 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, 1181291 + ... + 1181358.
Almost surely, 280330066 is an apocalyptic number.
80330066 is a deficient number, since it is larger than the sum of its proper divisors (47253034).
80330066 is a wasteful number, since it uses less digits than its factorization.
80330066 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2362668.
The product of its (nonzero) digits is 2592, while the sum is 26.
The square root of 80330066 is about 8962.7041678279. The cubic root of 80330066 is about 431.4787129314.
The spelling of 80330066 in words is "eighty million, three hundred thirty thousand, sixty-six".
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