Base | Representation |
---|---|
bin | 10011101011011… |
… | …001001010100001 |
3 | 212000012222012011 |
4 | 103223121022201 |
5 | 1134004023434 |
6 | 52432032521 |
7 | 11116110124 |
oct | 2353311241 |
9 | 760188164 |
10 | 330142369 |
11 | 15a3a1937 |
12 | 92692741 |
13 | 5352281b |
14 | 31bbc3bb |
15 | 1deb4e64 |
hex | 13ad92a1 |
330142369 has 2 divisors, whose sum is σ = 330142370. Its totient is φ = 330142368.
The previous prime is 330142349. The next prime is 330142441. The reversal of 330142369 is 963241033.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 250272400 + 79869969 = 15820^2 + 8937^2 .
It is an emirp because it is prime and its reverse (963241033) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 330142369 - 225 = 296587937 is a prime.
It is a super-2 number, since 2×3301423692 = 217987967617864322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 330142369.
It is not a weakly prime, because it can be changed into another prime (330142349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165071184 + 165071185.
It is an arithmetic number, because the mean of its divisors is an integer number (165071185).
Almost surely, 2330142369 is an apocalyptic number.
It is an amenable number.
330142369 is a deficient number, since it is larger than the sum of its proper divisors (1).
330142369 is an equidigital number, since it uses as much as digits as its factorization.
330142369 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11664, while the sum is 31.
The square root of 330142369 is about 18169.8202797936. The cubic root of 330142369 is about 691.1416854857.
The spelling of 330142369 in words is "three hundred thirty million, one hundred forty-two thousand, three hundred sixty-nine".
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