Base | Representation |
---|---|
bin | 101001000101001… |
… | …001010101011000 |
3 | 1210000212201222101 |
4 | 221011021111120 |
5 | 2402414333213 |
6 | 152220133144 |
7 | 23036141422 |
oct | 5105112530 |
9 | 1700781871 |
10 | 689214808 |
11 | 324053317 |
12 | 1729971b4 |
13 | aca34319 |
14 | 6776b812 |
15 | 40791bdd |
hex | 29149558 |
689214808 has 16 divisors (see below), whose sum is σ = 1294875000. Its totient is φ = 343914816.
The previous prime is 689214769. The next prime is 689214857. The reversal of 689214808 is 808412986.
It is a congruent number.
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, 82333 + ... + 90316.
Almost surely, 2689214808 is an apocalyptic number.
It is an amenable number.
689214808 is a deficient number, since it is larger than the sum of its proper divisors (605660192).
689214808 is a wasteful number, since it uses less digits than its factorization.
689214808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173154 (or 173150 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 46.
The square root of 689214808 is about 26252.9009444671. The cubic root of 689214808 is about 883.3202769480.
The spelling of 689214808 in words is "six hundred eighty-nine million, two hundred fourteen thousand, eight hundred eight".
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