Base | Representation |
---|---|
bin | 11110100000001001010001 |
3 | 120001020102121 |
4 | 132200021101 |
5 | 4021332420 |
6 | 443214241 |
7 | 124651624 |
oct | 36401121 |
9 | 16036377 |
10 | 7995985 |
11 | 4571558 |
12 | 2817381 |
13 | 186c66a |
14 | 10c1dbb |
15 | a7e2aa |
hex | 7a0251 |
7995985 has 16 divisors (see below), whose sum is σ = 10045440. Its totient is φ = 6102720.
The previous prime is 7995937. The next prime is 7995991. The reversal of 7995985 is 5895997.
It is not a de Polignac number, because 7995985 - 215 = 7963217 is a prime.
It is a super-2 number, since 2×79959852 = 127871552240450, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11919 + ... + 12571.
It is an arithmetic number, because the mean of its divisors is an integer number (627840).
Almost surely, 27995985 is an apocalyptic number.
It is an amenable number.
7995985 is a deficient number, since it is larger than the sum of its proper divisors (2049455).
7995985 is a wasteful number, since it uses less digits than its factorization.
7995985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 768.
The product of its digits is 1020600, while the sum is 52.
The square root of 7995985 is about 2827.7172772397. The cubic root of 7995985 is about 199.9665360678.
The spelling of 7995985 in words is "seven million, nine hundred ninety-five thousand, nine hundred eighty-five".
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