Base | Representation |
---|---|
bin | 11110011111101010010001 |
3 | 120001010201010 |
4 | 132133222101 |
5 | 4021302001 |
6 | 443201133 |
7 | 124643061 |
oct | 36375221 |
9 | 16033633 |
10 | 7994001 |
11 | 4570014 |
12 | 28161a9 |
13 | 186b7a2 |
14 | 10c13a1 |
15 | a7d8d6 |
hex | 79fa91 |
7994001 has 16 divisors (see below), whose sum is σ = 11264000. Its totient is φ = 5034960.
The previous prime is 7993987. The next prime is 7994017. The reversal of 7994001 is 1004997.
7994001 is a nontrivial binomial coefficient, being equal to C(3999, 2).
It is not a de Polignac number, because 7994001 - 211 = 7991953 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 7994001.
It is not an unprimeable number, because it can be changed into a prime (7994071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3000 + ... + 4998.
It is an arithmetic number, because the mean of its divisors is an integer number (704000).
Almost surely, 27994001 is an apocalyptic number.
7994001 is the 3998-th triangular number.
It is an amenable number.
7994001 is a deficient number, since it is larger than the sum of its proper divisors (3269999).
7994001 is a wasteful number, since it uses less digits than its factorization.
7994001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2076.
The product of its (nonzero) digits is 2268, while the sum is 30.
The square root of 7994001 is about 2827.3664424690. The cubic root of 7994001 is about 199.9499958323.
Adding to 7994001 its reverse (1004997), we get a palindrome (8998998).
The spelling of 7994001 in words is "seven million, nine hundred ninety-four thousand, one".
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