Base | Representation |
---|---|
bin | 100000100110010110111 |
3 | 2000021022112 |
4 | 10010302313 |
5 | 233140330 |
6 | 34521235 |
7 | 12036221 |
oct | 4046267 |
9 | 2007275 |
10 | 1068215 |
11 | 66a625 |
12 | 43621b |
13 | 2b52a5 |
14 | 1db411 |
15 | 161795 |
hex | 104cb7 |
1068215 has 16 divisors (see below), whose sum is σ = 1360800. Its totient is φ = 803712.
The previous prime is 1068203. The next prime is 1068217. The reversal of 1068215 is 5128601.
1068215 = 1742 + 1752 + ... + 2032.
It is a cyclic number.
It is not a de Polignac number, because 1068215 - 216 = 1002679 is a prime.
It is a super-2 number, since 2×10682152 = 2282166572450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1068217) 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, 7616 + ... + 7754.
It is an arithmetic number, because the mean of its divisors is an integer number (85050).
21068215 is an apocalyptic number.
1068215 is a deficient number, since it is larger than the sum of its proper divisors (292585).
1068215 is a wasteful number, since it uses less digits than its factorization.
1068215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 226.
The product of its (nonzero) digits is 480, while the sum is 23.
The square root of 1068215 is about 1033.5448708208. The cubic root of 1068215 is about 102.2240046861.
The spelling of 1068215 in words is "one million, sixty-eight thousand, two hundred fifteen".
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