Base | Representation |
---|---|
bin | 11110011101100001011010 |
3 | 120000200200201 |
4 | 132131201122 |
5 | 4021011432 |
6 | 443052414 |
7 | 124605406 |
oct | 36354132 |
9 | 16020621 |
10 | 7985242 |
11 | 4564481 |
12 | 281110a |
13 | 18677c5 |
14 | 10bc106 |
15 | a7aee7 |
hex | 79d85a |
7985242 has 8 divisors (see below), whose sum is σ = 12270132. Its totient is φ = 3895200.
The previous prime is 7985239. The next prime is 7985249. The reversal of 7985242 is 2425897.
It can be written as a sum of positive squares in 2 ways, for example, as 7901721 + 83521 = 2811^2 + 289^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (7985249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48609 + ... + 48772.
Almost surely, 27985242 is an apocalyptic number.
7985242 is a deficient number, since it is larger than the sum of its proper divisors (4284890).
7985242 is a wasteful number, since it uses less digits than its factorization.
7985242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97424.
The product of its digits is 40320, while the sum is 37.
The square root of 7985242 is about 2825.8170499875. The cubic root of 7985242 is about 199.8769409646.
The spelling of 7985242 in words is "seven million, nine hundred eighty-five thousand, two hundred forty-two".
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