Base | Representation |
---|---|
bin | 100000101100001110111 |
3 | 2000102102221 |
4 | 10011201313 |
5 | 233234343 |
6 | 34543211 |
7 | 12051046 |
oct | 4054167 |
9 | 2012387 |
10 | 1071223 |
11 | 67190a |
12 | 437b07 |
13 | 2b677a |
14 | 1dc55d |
15 | 1625ed |
hex | 105877 |
1071223 has 2 divisors, whose sum is σ = 1071224. Its totient is φ = 1071222.
The previous prime is 1071197. The next prime is 1071227. The reversal of 1071223 is 3221701.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1071223 is a prime.
It is a super-2 number, since 2×10712232 = 2295037431458, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1071197 and 1071206.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1071227) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535611 + 535612.
It is an arithmetic number, because the mean of its divisors is an integer number (535612).
21071223 is an apocalyptic number.
1071223 is a deficient number, since it is larger than the sum of its proper divisors (1).
1071223 is an equidigital number, since it uses as much as digits as its factorization.
1071223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 84, while the sum is 16.
The square root of 1071223 is about 1034.9990338160. Note that the first 3 decimals coincide. The cubic root of 1071223 is about 102.3198660483.
Adding to 1071223 its reverse (3221701), we get a palindrome (4292924).
The spelling of 1071223 in words is "one million, seventy-one thousand, two hundred twenty-three".
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