Base | Representation |
---|---|
bin | 11110101011110101000001 |
3 | 120010200002001 |
4 | 132223311001 |
5 | 4024400331 |
6 | 444224001 |
7 | 125241301 |
oct | 36536501 |
9 | 16120061 |
10 | 8043841 |
11 | 45a4503 |
12 | 283b001 |
13 | 1888390 |
14 | 10d5601 |
15 | a8d561 |
hex | 7abd41 |
8043841 has 8 divisors (see below), whose sum is σ = 8688680. Its totient is φ = 7402752.
The previous prime is 8043809. The next prime is 8043851. The reversal of 8043841 is 1483408.
It can be written as a sum of positive squares in 4 ways, for example, as 640000 + 7403841 = 800^2 + 2721^2 .
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 8043841 - 25 = 8043809 is a prime.
It is not an unprimeable number, because it can be changed into a prime (8043851) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 4915 + ... + 6343.
It is an arithmetic number, because the mean of its divisors is an integer number (1086085).
It is a Poulet number, since it divides 28043840-1.
Almost surely, 28043841 is an apocalyptic number.
It is an amenable number.
8043841 is a deficient number, since it is larger than the sum of its proper divisors (644839).
8043841 is a wasteful number, since it uses less digits than its factorization.
8043841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1875.
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 8043841 is about 2836.1666030048. The cubic root of 8043841 is about 200.3646763184.
The spelling of 8043841 in words is "eight million, forty-three thousand, eight hundred forty-one".
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