Base | Representation |
---|---|
bin | 10101000010001001110 |
3 | 1022000110001 |
4 | 2220101032 |
5 | 134023410 |
6 | 22434514 |
7 | 5600263 |
oct | 2502116 |
9 | 1260401 |
10 | 689230 |
11 | 430913 |
12 | 292a3a |
13 | 1b1939 |
14 | 13d26a |
15 | d933a |
hex | a844e |
689230 has 16 divisors (see below), whose sum is σ = 1251360. Its totient is φ = 273312.
The previous prime is 689219. The next prime is 689233. The reversal of 689230 is 32986.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (689233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351 + ... + 1789.
It is an arithmetic number, because the mean of its divisors is an integer number (78210).
2689230 is an apocalyptic number.
689230 is a deficient number, since it is larger than the sum of its proper divisors (562130).
689230 is a wasteful number, since it uses less digits than its factorization.
689230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 603.
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 689230 is about 830.1987713795. The cubic root of 689230 is about 88.3326767089.
It can be divided in two parts, 689 and 230, that added together give a palindrome (919).
The spelling of 689230 in words is "six hundred eighty-nine thousand, two hundred thirty".
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