Base | Representation |
---|---|
bin | 11001100001000101101010 |
3 | 110120211202120 |
4 | 121201011222 |
5 | 3203023010 |
6 | 355212110 |
7 | 110566560 |
oct | 31410552 |
9 | 13524676 |
10 | 6689130 |
11 | 3859708 |
12 | 22a7036 |
13 | 1502886 |
14 | c61a30 |
15 | 8c1e70 |
hex | 66116a |
6689130 has 64 divisors (see below), whose sum is σ = 18724608. Its totient is φ = 1497600.
The previous prime is 6689117. The next prime is 6689131. The reversal of 6689130 is 319866.
It is a junction number, because it is equal to n+sod(n) for n = 6689091 and 6689100.
It is not an unprimeable number, because it can be changed into a prime (6689131) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10830 + ... + 11430.
It is an arithmetic number, because the mean of its divisors is an integer number (292572).
Almost surely, 26689130 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6689130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9362304).
6689130 is an abundant number, since it is smaller than the sum of its proper divisors (12035478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6689130 is a wasteful number, since it uses less digits than its factorization.
6689130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 671.
The product of its (nonzero) digits is 7776, while the sum is 33.
The square root of 6689130 is about 2586.3352450910. The cubic root of 6689130 is about 188.4183568556.
The spelling of 6689130 in words is "six million, six hundred eighty-nine thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •