Base | Representation |
---|---|
bin | 11010101101000000011010 |
3 | 111011122022121 |
4 | 122231000122 |
5 | 3243000330 |
6 | 410011454 |
7 | 113333266 |
oct | 32550032 |
9 | 14148277 |
10 | 7000090 |
11 | 3a512a9 |
12 | 2416b8a |
13 | 15b1286 |
14 | d030a6 |
15 | 93417a |
hex | 6ad01a |
7000090 has 16 divisors (see below), whose sum is σ = 13341672. Its totient is φ = 2635264.
The previous prime is 7000087. The next prime is 7000109. The reversal of 7000090 is 900007.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 5707321 + 1292769 = 2389^2 + 1137^2 .
7000090 is a modest number, since divided by 90 gives 70 as remainder.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20419 + ... + 20758.
Almost surely, 27000090 is an apocalyptic number.
7000090 is a deficient number, since it is larger than the sum of its proper divisors (6341582).
7000090 is a wasteful number, since it uses less digits than its factorization.
7000090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41201.
The product of its (nonzero) digits is 63, while the sum is 16.
The square root of 7000090 is about 2645.7683194112. The cubic root of 7000090 is about 191.2939381014.
Adding to 7000090 its reverse (900007), we get a palindrome (7900097).
The spelling of 7000090 in words is "seven million, ninety", and thus it is an aban number and an uban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •