Base | Representation |
---|---|
bin | 10100110001000001111 |
3 | 1021120102100 |
4 | 2212020033 |
5 | 133233323 |
6 | 22330143 |
7 | 5532600 |
oct | 2461017 |
9 | 1246370 |
10 | 680463 |
11 | 425273 |
12 | 289953 |
13 | 1aa954 |
14 | 139da7 |
15 | d6943 |
hex | a620f |
680463 has 18 divisors (see below), whose sum is σ = 1144104. Its totient is φ = 388584.
The previous prime is 680453. The next prime is 680489. The reversal of 680463 is 364086.
It is not a de Polignac number, because 680463 - 25 = 680431 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680443) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 331 + ... + 1212.
2680463 is an apocalyptic number.
680463 is a gapful number since it is divisible by the number (63) formed by its first and last digit.
680463 is a deficient number, since it is larger than the sum of its proper divisors (463641).
680463 is a wasteful number, since it uses less digits than its factorization.
680463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1563 (or 1553 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 680463 is about 824.9018123389. The cubic root of 680463 is about 87.9565470734.
The spelling of 680463 in words is "six hundred eighty thousand, four hundred sixty-three".
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