Base | Representation |
---|---|
bin | 110110001011… |
… | …010010000101 |
3 | 222201112110121 |
4 | 312023102011 |
5 | 12113430424 |
6 | 1224221541 |
7 | 231500134 |
oct | 66132205 |
9 | 28645417 |
10 | 14201989 |
11 | 802018a |
12 | 490a8b1 |
13 | 2c33359 |
14 | 1c5991b |
15 | 13a7ee4 |
hex | d8b485 |
14201989 has 2 divisors, whose sum is σ = 14201990. Its totient is φ = 14201988.
The previous prime is 14201983. The next prime is 14202011. The reversal of 14201989 is 98910241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8749764 + 5452225 = 2958^2 + 2335^2 .
It is a cyclic number.
It is not a de Polignac number, because 14201989 - 23 = 14201981 is a prime.
It is a super-2 number, since 2×142019892 = 403392983112242, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14201981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7100994 + 7100995.
It is an arithmetic number, because the mean of its divisors is an integer number (7100995).
Almost surely, 214201989 is an apocalyptic number.
It is an amenable number.
14201989 is a deficient number, since it is larger than the sum of its proper divisors (1).
14201989 is an equidigital number, since it uses as much as digits as its factorization.
14201989 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5184, while the sum is 34.
The square root of 14201989 is about 3768.5526399402. The cubic root of 14201989 is about 242.1677967932.
The spelling of 14201989 in words is "fourteen million, two hundred one thousand, nine hundred eighty-nine".
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