Search a number
-
+
3146243 is a prime number
BaseRepresentation
bin1100000000001000000011
312220211211112
430000020003
51301134433
6151233535
735512502
oct14001003
95824745
103146243
111859901
1210788ab
138620a9
145bc839
15422348
hex300203

3146243 has 2 divisors, whose sum is σ = 3146244. Its totient is φ = 3146242.

The previous prime is 3146237. The next prime is 3146261. The reversal of 3146243 is 3426413.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3426413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3146243 - 214 = 3129859 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 32 + 1 + 44 + 6 + 221 + 410 + 35 .

It is not a weakly prime, because it can be changed into another prime (3146203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573121 + 1573122.

It is an arithmetic number, because the mean of its divisors is an integer number (1573122).

Almost surely, 23146243 is an apocalyptic number.

3146243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3146243 is an equidigital number, since it uses as much as digits as its factorization.

3146243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 3146243 is about 1773.7652043041. The cubic root of 3146243 is about 146.5314185935.

The spelling of 3146243 in words is "three million, one hundred forty-six thousand, two hundred forty-three".