Base | Representation |
---|---|
bin | 10101000001111101100 |
3 | 1022000022102 |
4 | 2220033230 |
5 | 134023012 |
6 | 22434232 |
7 | 5600063 |
oct | 2501754 |
9 | 1260272 |
10 | 689132 |
11 | 430834 |
12 | 292978 |
13 | 1b1892 |
14 | 13d1da |
15 | d92c2 |
hex | a83ec |
689132 has 6 divisors (see below), whose sum is σ = 1205988. Its totient is φ = 344564.
The previous prime is 689131. The next prime is 689141. The reversal of 689132 is 231986.
689132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 689095 and 689104.
It is not an unprimeable number, because it can be changed into a prime (689131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86138 + ... + 86145.
It is an arithmetic number, because the mean of its divisors is an integer number (200998).
2689132 is an apocalyptic number.
It is an amenable number.
689132 is a deficient number, since it is larger than the sum of its proper divisors (516856).
689132 is a wasteful number, since it uses less digits than its factorization.
689132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172287 (or 172285 counting only the distinct ones).
The product of its digits is 2592, while the sum is 29.
The square root of 689132 is about 830.1397472715. The cubic root of 689132 is about 88.3284899049.
The spelling of 689132 in words is "six hundred eighty-nine thousand, one hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •