Base | Representation |
---|---|
bin | 100111110110101110000 |
3 | 2110100110012 |
4 | 10332311300 |
5 | 313242333 |
6 | 43554052 |
7 | 14046326 |
oct | 4766560 |
9 | 2410405 |
10 | 1305968 |
11 | 812214 |
12 | 52b928 |
13 | 369581 |
14 | 25dd16 |
15 | 1abe48 |
hex | 13ed70 |
1305968 has 20 divisors (see below), whose sum is σ = 2612928. Its totient is φ = 631680.
The previous prime is 1305961. The next prime is 1305971. The reversal of 1305968 is 8695031.
1305968 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1305961) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821 + ... + 1812.
21305968 is an apocalyptic number.
It is an amenable number.
1305968 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1305968 is a wasteful number, since it uses less digits than its factorization.
1305968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2672 (or 2666 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 32.
The square root of 1305968 is about 1142.7895694309. The cubic root of 1305968 is about 109.3060444817.
The spelling of 1305968 in words is "one million, three hundred five thousand, nine hundred sixty-eight".
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