Base | Representation |
---|---|
bin | 11110011001100011100001 |
3 | 112222212101220 |
4 | 132121203201 |
5 | 4020001433 |
6 | 442445253 |
7 | 124510134 |
oct | 36314341 |
9 | 15885356 |
10 | 7968993 |
11 | 455324a |
12 | 2803829 |
13 | 18602a6 |
14 | 10b621b |
15 | a762b3 |
hex | 7998e1 |
7968993 has 8 divisors (see below), whose sum is σ = 10643808. Its totient is φ = 5303424.
The previous prime is 7968959. The next prime is 7969019. The reversal of 7968993 is 3998697.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 7968993 - 212 = 7964897 is a prime.
It is not an unprimeable number, because it can be changed into a prime (7968593) 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, 46 + ... + 3992.
It is an arithmetic number, because the mean of its divisors is an integer number (1330476).
Almost surely, 27968993 is an apocalyptic number.
It is an amenable number.
7968993 is a deficient number, since it is larger than the sum of its proper divisors (2674815).
7968993 is a wasteful number, since it uses less digits than its factorization.
7968993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4623.
The product of its digits is 734832, while the sum is 51.
The square root of 7968993 is about 2822.9404882144. The cubic root of 7968993 is about 199.7412737814.
The spelling of 7968993 in words is "seven million, nine hundred sixty-eight thousand, nine hundred ninety-three".
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