Base | Representation |
---|---|
bin | 11001010010011100001 |
3 | 1120002200102 |
4 | 3022103201 |
5 | 203004031 |
6 | 25432145 |
7 | 10020602 |
oct | 3122341 |
9 | 1502612 |
10 | 828641 |
11 | 516630 |
12 | 33b655 |
13 | 230228 |
14 | 177da9 |
15 | 1157cb |
hex | ca4e1 |
828641 has 8 divisors (see below), whose sum is σ = 917568. Its totient is φ = 742000.
The previous prime is 828637. The next prime is 828643. The reversal of 828641 is 146828.
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 828641 - 22 = 828637 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (828643) 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, 251 + ... + 1311.
It is an arithmetic number, because the mean of its divisors is an integer number (114696).
2828641 is an apocalyptic number.
It is an amenable number.
828641 is a deficient number, since it is larger than the sum of its proper divisors (88927).
828641 is a wasteful number, since it uses less digits than its factorization.
828641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1143.
The product of its digits is 3072, while the sum is 29.
The square root of 828641 is about 910.2972042141. The cubic root of 828641 is about 93.9266441425.
The spelling of 828641 in words is "eight hundred twenty-eight thousand, six hundred forty-one".
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