Base | Representation |
---|---|
bin | 10100110000111110001 |
3 | 1021120101020 |
4 | 2212013301 |
5 | 133233213 |
6 | 22330053 |
7 | 5532525 |
oct | 2460761 |
9 | 1246336 |
10 | 680433 |
11 | 425246 |
12 | 289929 |
13 | 1aa930 |
14 | 139d85 |
15 | d6923 |
hex | a61f1 |
680433 has 16 divisors (see below), whose sum is σ = 994560. Its totient is φ = 411264.
The previous prime is 680431. The next prime is 680441. The reversal of 680433 is 334086.
680433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 680433 - 21 = 680431 is a prime.
680433 is a lucky number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680433.
It is not an unprimeable number, because it can be changed into a prime (680431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2728 + ... + 2966.
It is an arithmetic number, because the mean of its divisors is an integer number (62160).
2680433 is an apocalyptic number.
It is an amenable number.
680433 is a deficient number, since it is larger than the sum of its proper divisors (314127).
680433 is a wasteful number, since it uses less digits than its factorization.
680433 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 680433 is about 824.8836281561. The cubic root of 680433 is about 87.9552544559.
The spelling of 680433 in words is "six hundred eighty thousand, four hundred thirty-three".
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