Base | Representation |
---|---|
bin | 110000001010010… |
… | …001110011011010 |
3 | 2002022101200121222 |
4 | 300022101303122 |
5 | 3123322010410 |
6 | 212102132042 |
7 | 26010615155 |
oct | 6012216332 |
9 | 2068350558 |
10 | 808000730 |
11 | 3851059a9 |
12 | 1a6721022 |
13 | cb524754 |
14 | 7944cc9c |
15 | 4ae07955 |
hex | 30291cda |
808000730 has 8 divisors (see below), whose sum is σ = 1454401332. Its totient is φ = 323200288.
The previous prime is 808000729. The next prime is 808000733. The reversal of 808000730 is 37000808.
It can be written as a sum of positive squares in 2 ways, for example, as 655206409 + 152794321 = 25597^2 + 12361^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 808000730.
It is not an unprimeable number, because it can be changed into a prime (808000733) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40400027 + ... + 40400046.
Almost surely, 2808000730 is an apocalyptic number.
808000730 is a deficient number, since it is larger than the sum of its proper divisors (646400602).
808000730 is a wasteful number, since it uses less digits than its factorization.
808000730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80800080.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 808000730 is about 28425.3536477561. The cubic root of 808000730 is about 931.4021820571.
The spelling of 808000730 in words is "eight hundred eight million, seven hundred thirty", and thus it is an aban number.
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