Base | Representation |
---|---|
bin | 1001110111101… |
… | …11011010000001 |
3 | 12202210210102001 |
4 | 10323313122001 |
5 | 132144133210 |
6 | 12114424001 |
7 | 2023544065 |
oct | 473673201 |
9 | 182723361 |
10 | 82802305 |
11 | 42815663 |
12 | 23892001 |
13 | 14201a61 |
14 | add5aa5 |
15 | 740903a |
hex | 4ef7681 |
82802305 has 8 divisors (see below), whose sum is σ = 101673792. Its totient is φ = 64701168.
The previous prime is 82802303. The next prime is 82802309. The reversal of 82802305 is 50320828.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 82802305 - 21 = 82802303 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (82802303) 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, 192349 + ... + 192778.
It is an arithmetic number, because the mean of its divisors is an integer number (12709224).
Almost surely, 282802305 is an apocalyptic number.
It is an amenable number.
82802305 is a deficient number, since it is larger than the sum of its proper divisors (18871487).
82802305 is a wasteful number, since it uses less digits than its factorization.
82802305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 385175.
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 82802305 is about 9099.5771879797. The cubic root of 82802305 is about 435.8604626699.
It can be divided in two parts, 8280 and 2305, that added together give a triangular number (10585 = T145).
The spelling of 82802305 in words is "eighty-two million, eight hundred two thousand, three hundred five".
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