Base | Representation |
---|---|
bin | 10101000011100001100 |
3 | 1022001102001 |
4 | 2220130030 |
5 | 134034212 |
6 | 22442044 |
7 | 5602315 |
oct | 2503414 |
9 | 1261361 |
10 | 689932 |
11 | 4313a1 |
12 | 293324 |
13 | 1b2059 |
14 | 13d60c |
15 | d9657 |
hex | a870c |
689932 has 12 divisors (see below), whose sum is σ = 1217160. Its totient is φ = 342176.
The previous prime is 689929. The next prime is 689951. The reversal of 689932 is 239986.
It is a junction number, because it is equal to n+sod(n) for n = 689891 and 689900.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82 + ... + 1177.
It is an arithmetic number, because the mean of its divisors is an integer number (101430).
2689932 is an apocalyptic number.
It is an amenable number.
689932 is a deficient number, since it is larger than the sum of its proper divisors (527228).
689932 is a wasteful number, since it uses less digits than its factorization.
689932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1400 (or 1398 counting only the distinct ones).
The product of its digits is 23328, while the sum is 37.
The square root of 689932 is about 830.6214540933. The cubic root of 689932 is about 88.3626562987.
It can be divided in two parts, 68 and 9932, that added together give a 4-th power (10000 = 104).
The spelling of 689932 in words is "six hundred eighty-nine thousand, nine hundred thirty-two".
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