Base | Representation |
---|---|
bin | 11001010010110001101 |
3 | 1120002220210 |
4 | 3022112031 |
5 | 203010223 |
6 | 25433033 |
7 | 10021236 |
oct | 3122615 |
9 | 1502823 |
10 | 828813 |
11 | 516777 |
12 | 33b779 |
13 | 23032b |
14 | 17808d |
15 | 115893 |
hex | ca58d |
828813 has 8 divisors (see below), whose sum is σ = 1109376. Its totient is φ = 550400.
The previous prime is 828811. The next prime is 828823. The reversal of 828813 is 318828.
828813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 828813 - 21 = 828811 is a prime.
It is a Curzon number.
828813 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (828811) 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, 973 + ... + 1613.
It is an arithmetic number, because the mean of its divisors is an integer number (138672).
2828813 is an apocalyptic number.
It is an amenable number.
828813 is a deficient number, since it is larger than the sum of its proper divisors (280563).
828813 is a wasteful number, since it uses less digits than its factorization.
828813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1075.
The product of its digits is 3072, while the sum is 30.
The square root of 828813 is about 910.3916739514. The cubic root of 828813 is about 93.9331424392.
The spelling of 828813 in words is "eight hundred twenty-eight thousand, eight hundred thirteen".
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