Base | Representation |
---|---|
bin | 11111000011100000001011 |
3 | 120022121002112 |
4 | 133003200023 |
5 | 4041001221 |
6 | 450252535 |
7 | 126124100 |
oct | 37034013 |
9 | 16277075 |
10 | 8140811 |
11 | 4660348 |
12 | 288714b |
13 | 18c0563 |
14 | 111caa7 |
15 | aac15b |
hex | 7c380b |
8140811 has 12 divisors (see below), whose sum is σ = 9567792. Its totient is φ = 6905808.
The previous prime is 8140771. The next prime is 8140829. The reversal of 8140811 is 1180418.
It is not a de Polignac number, because 8140811 - 214 = 8124427 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8140831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4241 + ... + 5853.
It is an arithmetic number, because the mean of its divisors is an integer number (797316).
Almost surely, 28140811 is an apocalyptic number.
8140811 is a deficient number, since it is larger than the sum of its proper divisors (1426981).
8140811 is a wasteful number, since it uses less digits than its factorization.
8140811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1730 (or 1723 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 23.
The square root of 8140811 is about 2853.2106476739. The cubic root of 8140811 is about 201.1666069106.
The spelling of 8140811 in words is "eight million, one hundred forty thousand, eight hundred eleven".
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