Base | Representation |
---|---|
bin | 11110100010001000101111 |
3 | 120001122121202 |
4 | 132202020233 |
5 | 4022113033 |
6 | 443320115 |
7 | 125014460 |
oct | 36421057 |
9 | 16048552 |
10 | 8004143 |
11 | 45776a4 |
12 | 282003b |
13 | 18732a4 |
14 | 10c4d67 |
15 | a818e8 |
hex | 7a222f |
8004143 has 12 divisors (see below), whose sum is σ = 9427152. Its totient is φ = 6653280.
The previous prime is 8004133. The next prime is 8004151. The reversal of 8004143 is 3414008.
8004143 = 22 + 32 + ... + 2882.
8004143 is nontrivially palindromic in base 2.
8004143 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 8004143 - 26 = 8004079 is a prime.
8004143 is strictly pandigital in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8004103) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47846 + ... + 48012.
It is an arithmetic number, because the mean of its divisors is an integer number (785596).
Almost surely, 28004143 is an apocalyptic number.
8004143 is a deficient number, since it is larger than the sum of its proper divisors (1423009).
8004143 is an equidigital number, since it uses as much as digits as its factorization.
8004143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 382 (or 215 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 8004143 is about 2829.1594157983. The cubic root of 8004143 is about 200.0345190418.
The spelling of 8004143 in words is "eight million, four thousand, one hundred forty-three".
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