Search a number
-
+
8315413 is a prime number
BaseRepresentation
bin11111101110001000010101
3120122110121021
4133232020111
54112043123
6454121141
7130452121
oct37561025
916573537
108315413
11476a547
1229501b1
131951b82
141166581
15ae3c5d
hex7ee215

8315413 has 2 divisors, whose sum is σ = 8315414. Its totient is φ = 8315412.

The previous prime is 8315399. The next prime is 8315429. The reversal of 8315413 is 3145138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6671889 + 1643524 = 2583^2 + 1282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8315413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8315113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4157706 + 4157707.

It is an arithmetic number, because the mean of its divisors is an integer number (4157707).

Almost surely, 28315413 is an apocalyptic number.

It is an amenable number.

8315413 is a deficient number, since it is larger than the sum of its proper divisors (1).

8315413 is an equidigital number, since it uses as much as digits as its factorization.

8315413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 8315413 is about 2883.6457826855. The cubic root of 8315413 is about 202.5946354394.

The spelling of 8315413 in words is "eight million, three hundred fifteen thousand, four hundred thirteen".