Base | Representation |
---|---|
bin | 100110111100… |
… | …011110010001 |
3 | 201012200100101 |
4 | 212330132101 |
5 | 10103143134 |
6 | 1002452401 |
7 | 152530225 |
oct | 46743621 |
9 | 21180311 |
10 | 10209169 |
11 | 5843333 |
12 | 3504101 |
13 | 2165b39 |
14 | 14da785 |
15 | d69e14 |
hex | 9bc791 |
10209169 has 2 divisors, whose sum is σ = 10209170. Its totient is φ = 10209168.
The previous prime is 10209127. The next prime is 10209203. The reversal of 10209169 is 96190201.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9690769 + 518400 = 3113^2 + 720^2 .
It is an emirp because it is prime and its reverse (96190201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10209169 - 211 = 10207121 is a prime.
It is a super-2 number, since 2×102091692 = 208454263341122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (10209109) by changing a digit.
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 as a sum of consecutive naturals, namely, 5104584 + 5104585.
It is an arithmetic number, because the mean of its divisors is an integer number (5104585).
Almost surely, 210209169 is an apocalyptic number.
It is an amenable number.
10209169 is a deficient number, since it is larger than the sum of its proper divisors (1).
10209169 is an equidigital number, since it uses as much as digits as its factorization.
10209169 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 972, while the sum is 28.
The square root of 10209169 is about 3195.1790247183. The cubic root of 10209169 is about 216.9352521898.
The spelling of 10209169 in words is "ten million, two hundred nine thousand, one hundred sixty-nine".
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