Base | Representation |
---|---|
bin | 100111001111110110100 |
3 | 2102100011011 |
4 | 10321332310 |
5 | 312123233 |
6 | 43322004 |
7 | 13634320 |
oct | 4717664 |
9 | 2370134 |
10 | 1286068 |
11 | 7a9273 |
12 | 520304 |
13 | 3604b4 |
14 | 256980 |
15 | 1a60cd |
hex | 139fb4 |
1286068 has 24 divisors (see below), whose sum is σ = 2685312. Its totient is φ = 526944.
The previous prime is 1286039. The next prime is 1286071. The reversal of 1286068 is 8606821.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355 + ... + 1642.
It is an arithmetic number, because the mean of its divisors is an integer number (111888).
21286068 is an apocalyptic number.
It is an amenable number.
1286068 is an abundant number, since it is smaller than the sum of its proper divisors (1399244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1286068 is a wasteful number, since it uses less digits than its factorization.
1286068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2031 (or 2029 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 1286068 is about 1134.0493816409. The cubic root of 1286068 is about 108.7480080667.
The spelling of 1286068 in words is "one million, two hundred eighty-six thousand, sixty-eight".
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