Search a number
-
+
2980291 is a prime number
BaseRepresentation
bin1011010111100111000011
312121102012011
423113213003
51230332131
6143513351
734221616
oct13274703
95542164
102980291
111756156
12bb8857
138046b2
1457817d
153dd0b1
hex2d79c3

2980291 has 2 divisors, whose sum is σ = 2980292. Its totient is φ = 2980290.

The previous prime is 2980261. The next prime is 2980297. The reversal of 2980291 is 1920892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2980291 - 27 = 2980163 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2980297) 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, 1490145 + 1490146.

It is an arithmetic number, because the mean of its divisors is an integer number (1490146).

22980291 is an apocalyptic number.

2980291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2980291 is an equidigital number, since it uses as much as digits as its factorization.

2980291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2980291 is about 1726.3519339926. The cubic root of 2980291 is about 143.9084262172.

The spelling of 2980291 in words is "two million, nine hundred eighty thousand, two hundred ninety-one".