Search a number
-
+
4160281 is a prime number
BaseRepresentation
bin1111110111101100011001
321211100211111
433313230121
52031112111
6225100321
750235046
oct17675431
97740744
104160281
112391754
1214876a1
13b28808
147a41cd
15572a21
hex3f7b19

4160281 has 2 divisors, whose sum is σ = 4160282. Its totient is φ = 4160280.

The previous prime is 4160269. The next prime is 4160323. The reversal of 4160281 is 1820614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 1651225 = 1584^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 4160281 - 29 = 4159769 is a prime.

It is a super-2 number, since 2×41602812 = 34615875997922, which contains 22 as substring.

4160281 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4160381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080140 + 2080141.

It is an arithmetic number, because the mean of its divisors is an integer number (2080141).

Almost surely, 24160281 is an apocalyptic number.

It is an amenable number.

4160281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4160281 is an equidigital number, since it uses as much as digits as its factorization.

4160281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 4160281 is about 2039.6766900663. The cubic root of 4160281 is about 160.8326514926.

Adding to 4160281 its reverse (1820614), we get a palindrome (5980895).

The spelling of 4160281 in words is "four million, one hundred sixty thousand, two hundred eighty-one".