Base | Representation |
---|---|
bin | 111111111101… |
… | …110011110011 |
3 | 1011112220201001 |
4 | 333331303303 |
5 | 13243040433 |
6 | 1355222431 |
7 | 262346002 |
oct | 77756363 |
9 | 34486631 |
10 | 16768243 |
11 | 9513258 |
12 | 5747a17 |
13 | 362144b |
14 | 2326c39 |
15 | 171357d |
hex | ffdcf3 |
16768243 has 2 divisors, whose sum is σ = 16768244. Its totient is φ = 16768242.
The previous prime is 16768231. The next prime is 16768247. The reversal of 16768243 is 34286761.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 16768243 - 25 = 16768211 is a prime.
It is a super-3 number, since 3×167682433 (a number of 23 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (16768247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8384121 + 8384122.
It is an arithmetic number, because the mean of its divisors is an integer number (8384122).
Almost surely, 216768243 is an apocalyptic number.
16768243 is a deficient number, since it is larger than the sum of its proper divisors (1).
16768243 is an equidigital number, since it uses as much as digits as its factorization.
16768243 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 48384, while the sum is 37.
The square root of 16768243 is about 4094.9045165913. The cubic root of 16768243 is about 255.9543528231.
The spelling of 16768243 in words is "sixteen million, seven hundred sixty-eight thousand, two hundred forty-three".
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