Search a number
-
+
14142481 is a prime number
BaseRepresentation
bin110101111100…
…110000010001
3222121111211121
4311330300101
512110024411
61223042241
7231131503
oct65746021
928544747
1014142481
117a8a501
1248a0381
132c12242
141c41d73
151395571
hexd7cc11

14142481 has 2 divisors, whose sum is σ = 14142482. Its totient is φ = 14142480.

The previous prime is 14142463. The next prime is 14142497. The reversal of 14142481 is 18424141.

14142481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9120400 + 5022081 = 3020^2 + 2241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14142481 is a prime.

It is a super-2 number, since 2×141424812 = 400019537670722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14142431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7071240 + 7071241.

It is an arithmetic number, because the mean of its divisors is an integer number (7071241).

Almost surely, 214142481 is an apocalyptic number.

It is an amenable number.

14142481 is a deficient number, since it is larger than the sum of its proper divisors (1).

14142481 is an equidigital number, since it uses as much as digits as its factorization.

14142481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024, while the sum is 25.

The square root of 14142481 is about 3760.6490131359. The cubic root of 14142481 is about 241.8290861132.

The spelling of 14142481 in words is "fourteen million, one hundred forty-two thousand, four hundred eighty-one".