Base | Representation |
---|---|
bin | 10100110001010011111 |
3 | 1021120121200 |
4 | 2212022133 |
5 | 133234412 |
6 | 22330543 |
7 | 5533164 |
oct | 2461237 |
9 | 1246550 |
10 | 680607 |
11 | 425394 |
12 | 289a53 |
13 | 1aaa35 |
14 | 13a06b |
15 | d69dc |
hex | a629f |
680607 has 12 divisors (see below), whose sum is σ = 1004640. Its totient is φ = 443808.
The previous prime is 680597. The next prime is 680611. The reversal of 680607 is 706086.
It is not a de Polignac number, because 680607 - 215 = 647839 is a prime.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680607.
It is not an unprimeable number, because it can be changed into a prime (680657) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382 + ... + 1227.
It is an arithmetic number, because the mean of its divisors is an integer number (83720).
2680607 is an apocalyptic number.
680607 is a deficient number, since it is larger than the sum of its proper divisors (324033).
680607 is a wasteful number, since it uses less digits than its factorization.
680607 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1662 (or 1659 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 680607 is about 824.9890908370. The cubic root of 680607 is about 87.9627511087.
The spelling of 680607 in words is "six hundred eighty thousand, six hundred seven".
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