Base | Representation |
---|---|
bin | 1001101000100… |
… | …10100010011010 |
3 | 12122001220002122 |
4 | 10310102202122 |
5 | 131142110112 |
6 | 12004101242 |
7 | 2000632661 |
oct | 464224232 |
9 | 178056078 |
10 | 80816282 |
11 | 41689518 |
12 | 23094822 |
13 | 13987ab1 |
14 | aa39dd8 |
15 | 7165872 |
hex | 4d1289a |
80816282 has 8 divisors (see below), whose sum is σ = 121263156. Its totient is φ = 40395232.
The previous prime is 80816279. The next prime is 80816293. The reversal of 80816282 is 28261808.
It can be written as a sum of positive squares in 2 ways, for example, as 80802121 + 14161 = 8989^2 + 119^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×808162823 (a number of 25 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6878 + ... + 14454.
Almost surely, 280816282 is an apocalyptic number.
80816282 is a deficient number, since it is larger than the sum of its proper divisors (40446874).
80816282 is a wasteful number, since it uses less digits than its factorization.
80816282 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12912.
The product of its (nonzero) digits is 12288, while the sum is 35.
The square root of 80816282 is about 8989.7876504398. The cubic root of 80816282 is about 432.3475034558.
The spelling of 80816282 in words is "eighty million, eight hundred sixteen thousand, two hundred eighty-two".
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