Base | Representation |
---|---|
bin | 11010101100111111111101 |
3 | 111011122021112 |
4 | 122230333331 |
5 | 3243000221 |
6 | 410011405 |
7 | 113333225 |
oct | 32547775 |
9 | 14148245 |
10 | 7000061 |
11 | 3a51282 |
12 | 2416b65 |
13 | 15b1263 |
14 | d03085 |
15 | 93415b |
hex | 6acffd |
7000061 has 2 divisors, whose sum is σ = 7000062. Its totient is φ = 7000060.
The previous prime is 7000057. The next prime is 7000069. The reversal of 7000061 is 1600007.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3632836 + 3367225 = 1906^2 + 1835^2 .
It is a cyclic number.
It is not a de Polignac number, because 7000061 - 22 = 7000057 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7000069) 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 as a sum of consecutive naturals, namely, 3500030 + 3500031.
It is an arithmetic number, because the mean of its divisors is an integer number (3500031).
Almost surely, 27000061 is an apocalyptic number.
It is an amenable number.
7000061 is a deficient number, since it is larger than the sum of its proper divisors (1).
7000061 is an equidigital number, since it uses as much as digits as its factorization.
7000061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 42, while the sum is 14.
The square root of 7000061 is about 2645.7628389559. The cubic root of 7000061 is about 191.2936739366.
Adding to 7000061 its reverse (1600007), we get a palindrome (8600068).
It can be divided in two parts, 700006 and 1, that added together give a palindrome (700007).
The spelling of 7000061 in words is "seven million, sixty-one", and thus it is an aban number and an uban number.
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