Base | Representation |
---|---|
bin | 110001010110100… |
… | …100101000110010 |
3 | 2010201000210120222 |
4 | 301112210220302 |
5 | 3143432011233 |
6 | 214054533042 |
7 | 26342614361 |
oct | 6126445062 |
9 | 2121023528 |
10 | 828000818 |
11 | 3954262a7 |
12 | 1b1367182 |
13 | 102707c18 |
14 | 7bd777d8 |
15 | 4ca58898 |
hex | 315a4a32 |
828000818 has 6 divisors (see below), whose sum is σ = 1242062271. Its totient is φ = 413980062.
The previous prime is 828000773. The next prime is 828000839. The reversal of 828000818 is 818000828.
It can be written as a sum of positive squares in only one way, i.e., 414000409 + 414000409 = 20347^2 + 20347^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=20347.
It is a Duffinian number.
It is an unprimeable number.
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 2 ways as a sum of consecutive naturals, for example, 30521 + ... + 50867.
Almost surely, 2828000818 is an apocalyptic number.
828000818 is a deficient number, since it is larger than the sum of its proper divisors (414061453).
828000818 is an frugal number, since it uses more digits than its factorization.
828000818 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40696 (or 20349 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 35.
The square root of 828000818 is about 28775.0033536054. The cubic root of 828000818 is about 939.0244965280.
Multiplying 828000818 by its product of nonzero digits (8192), we get a square (6782982701056 = 26044162).
The spelling of 828000818 in words is "eight hundred twenty-eight million, eight hundred eighteen", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •