Base | Representation |
---|---|
bin | 11110011101100010110011 |
3 | 120000200211000 |
4 | 132131202303 |
5 | 4021012311 |
6 | 443053043 |
7 | 124605564 |
oct | 36354263 |
9 | 16020730 |
10 | 7985331 |
11 | 4564552 |
12 | 2811183 |
13 | 1867863 |
14 | 10bc16b |
15 | a7b056 |
hex | 79d8b3 |
7985331 has 16 divisors (see below), whose sum is σ = 11956000. Its totient is φ = 5266944.
The previous prime is 7985323. The next prime is 7985381. The reversal of 7985331 is 1335897.
It is not a de Polignac number, because 7985331 - 23 = 7985323 is a prime.
It is a super-2 number, since 2×79853312 = 127531022359122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7985311) 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, 1095 + ... + 4143.
It is an arithmetic number, because the mean of its divisors is an integer number (747250).
Almost surely, 27985331 is an apocalyptic number.
7985331 is a deficient number, since it is larger than the sum of its proper divisors (3970669).
7985331 is a wasteful number, since it uses less digits than its factorization.
7985331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3155 (or 3149 counting only the distinct ones).
The product of its digits is 22680, while the sum is 36.
The square root of 7985331 is about 2825.8327976014. The cubic root of 7985331 is about 199.8776835420.
The spelling of 7985331 in words is "seven million, nine hundred eighty-five thousand, three hundred thirty-one".
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