Search a number
-
+
330142369 is a prime number
BaseRepresentation
bin10011101011011…
…001001010100001
3212000012222012011
4103223121022201
51134004023434
652432032521
711116110124
oct2353311241
9760188164
10330142369
1115a3a1937
1292692741
135352281b
1431bbc3bb
151deb4e64
hex13ad92a1

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".