Base | Representation |
---|---|
bin | 11110011111101001111110 |
3 | 120001010200102 |
4 | 132133221332 |
5 | 4021301412 |
6 | 443201102 |
7 | 124643033 |
oct | 36375176 |
9 | 16033612 |
10 | 7993982 |
11 | 456aaa7 |
12 | 2816192 |
13 | 186b789 |
14 | 10c138a |
15 | a7d8c2 |
hex | 79fa7e |
7993982 has 8 divisors (see below), whose sum is σ = 12005400. Its totient is φ = 3992184.
The previous prime is 7993967. The next prime is 7993987. The reversal of 7993982 is 2893997.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7993987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269 + ... + 4007.
It is an arithmetic number, because the mean of its divisors is an integer number (1500675).
Almost surely, 27993982 is an apocalyptic number.
7993982 is a deficient number, since it is larger than the sum of its proper divisors (4011418).
7993982 is a wasteful number, since it uses less digits than its factorization.
7993982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4810.
The product of its digits is 244944, while the sum is 47.
The square root of 7993982 is about 2827.3630824498. The cubic root of 7993982 is about 199.9498374196.
The spelling of 7993982 in words is "seven million, nine hundred ninety-three thousand, nine hundred eighty-two".
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