Base | Representation |
---|---|
bin | 11000101100100011001 |
3 | 1112010001220 |
4 | 3011210121 |
5 | 201343431 |
6 | 25202253 |
7 | 6610206 |
oct | 3054431 |
9 | 1463056 |
10 | 809241 |
11 | 502aa4 |
12 | 330389 |
13 | 224454 |
14 | 170cad |
15 | 10eb96 |
hex | c5919 |
809241 has 8 divisors (see below), whose sum is σ = 1089504. Its totient is φ = 534240.
The previous prime is 809239. The next prime is 809243. The reversal of 809241 is 142908.
It is an interprime number because it is at equal distance from previous prime (809239) and next prime (809243).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 809241 - 21 = 809239 is a prime.
It is not an unprimeable number, because it can be changed into a prime (809243) 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, 940 + ... + 1581.
It is an arithmetic number, because the mean of its divisors is an integer number (136188).
2809241 is an apocalyptic number.
It is an amenable number.
809241 is a deficient number, since it is larger than the sum of its proper divisors (280263).
809241 is a wasteful number, since it uses less digits than its factorization.
809241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2631.
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 809241 is about 899.5782345077. The cubic root of 809241 is about 93.1878501602.
The spelling of 809241 in words is "eight hundred nine thousand, two hundred forty-one".
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