Search a number
-
+
5686949 is a prime number
BaseRepresentation
bin10101101100011010100101
3101200221000202
4111230122211
52423440244
6321520245
766224012
oct25543245
911627022
105686949
113234764
121aa3085
131241678
14a80709
1577504e
hex56c6a5

5686949 has 2 divisors, whose sum is σ = 5686950. Its totient is φ = 5686948.

The previous prime is 5686931. The next prime is 5686963. The reversal of 5686949 is 9496865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5094049 + 592900 = 2257^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 5686949 - 28 = 5686693 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5686979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843474 + 2843475.

It is an arithmetic number, because the mean of its divisors is an integer number (2843475).

Almost surely, 25686949 is an apocalyptic number.

It is an amenable number.

5686949 is a deficient number, since it is larger than the sum of its proper divisors (1).

5686949 is an equidigital number, since it uses as much as digits as its factorization.

5686949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 5686949 is about 2384.7324797553. The cubic root of 5686949 is about 178.4951600243.

The spelling of 5686949 in words is "five million, six hundred eighty-six thousand, nine hundred forty-nine".