Base | Representation |
---|---|
bin | 110001100001001… |
… | …011110101101001 |
3 | 2010220021010210021 |
4 | 301201023311221 |
5 | 3200140022300 |
6 | 214234320441 |
7 | 26405352235 |
oct | 6141136551 |
9 | 2126233707 |
10 | 830782825 |
11 | 396a56484 |
12 | 1b2289121 |
13 | 103170292 |
14 | 7c49d5c5 |
15 | 4ce07d1a |
hex | 3184bd69 |
830782825 has 12 divisors (see below), whose sum is σ = 1030653900. Its totient is φ = 664314560.
The previous prime is 830782817. The next prime is 830782829. The reversal of 830782825 is 528287038.
830782825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 33454656 + 797328169 = 5784^2 + 28237^2 .
It is not a de Polignac number, because 830782825 - 23 = 830782817 is a prime.
It is not an unprimeable number, because it can be changed into a prime (830782829) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57207 + ... + 70243.
It is an arithmetic number, because the mean of its divisors is an integer number (85887825).
Almost surely, 2830782825 is an apocalyptic number.
It is an amenable number.
830782825 is a deficient number, since it is larger than the sum of its proper divisors (199871075).
830782825 is a wasteful number, since it uses less digits than its factorization.
830782825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15596 (or 15591 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 43.
The square root of 830782825 is about 28823.3035060175. The cubic root of 830782825 is about 940.0749996745.
The spelling of 830782825 in words is "eight hundred thirty million, seven hundred eighty-two thousand, eight hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •