Base | Representation |
---|---|
bin | 11010101100111111000010 |
3 | 111011122012100 |
4 | 122230333002 |
5 | 3243000002 |
6 | 410011230 |
7 | 113333112 |
oct | 32547702 |
9 | 14148170 |
10 | 7000002 |
11 | 3a51229 |
12 | 2416b16 |
13 | 15b1219 |
14 | d03042 |
15 | 93411c |
hex | 6acfc2 |
7000002 has 24 divisors (see below), whose sum is σ = 15269436. Its totient is φ = 2317536.
The previous prime is 6999997. The next prime is 7000003. The reversal of 7000002 is 2000007.
It can be written as a sum of positive squares in 2 ways, for example, as 6922161 + 77841 = 2631^2 + 279^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (7000003) 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 11 ways as a sum of consecutive naturals, for example, 1588 + ... + 4064.
Almost surely, 27000002 is an apocalyptic number.
7000002 is an abundant number, since it is smaller than the sum of its proper divisors (8269434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7000002 is a wasteful number, since it uses less digits than its factorization.
7000002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2642 (or 2639 counting only the distinct ones).
The product of its (nonzero) digits is 14, while the sum is 9.
The square root of 7000002 is about 2645.7516890290. The cubic root of 7000002 is about 191.2931364956.
Adding to 7000002 its reverse (2000007), we get a palindrome (9000009).
The spelling of 7000002 in words is "seven million, two", and thus it is an aban number and an uban number.
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