Search a number
-
+
8340041 is a prime number
BaseRepresentation
bin11111110100001001001001
3120200201101102
4133310021021
54113340131
6454431145
7130613663
oct37641111
916621342
108340041
114786aa6
1229624b5
131960148
141171533
15aeb1cb
hex7f4249

8340041 has 2 divisors, whose sum is σ = 8340042. Its totient is φ = 8340040.

The previous prime is 8339987. The next prime is 8340043. The reversal of 8340041 is 1400438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8094025 + 246016 = 2845^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 8340041 - 210 = 8339017 is a prime.

Together with 8340043, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8339995 and 8340022.

It is not a weakly prime, because it can be changed into another prime (8340043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4170020 + 4170021.

It is an arithmetic number, because the mean of its divisors is an integer number (4170021).

Almost surely, 28340041 is an apocalyptic number.

It is an amenable number.

8340041 is a deficient number, since it is larger than the sum of its proper divisors (1).

8340041 is an equidigital number, since it uses as much as digits as its factorization.

8340041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 8340041 is about 2887.9129141995. The cubic root of 8340041 is about 202.7944484421.

Adding to 8340041 its reverse (1400438), we get a palindrome (9740479).

The spelling of 8340041 in words is "eight million, three hundred forty thousand, forty-one".