Search a number
-
+
2045422241 is a prime number
BaseRepresentation
bin111100111101010…
…1010101010100001
312021112211012211022
41321322222222201
513142112002431
6534544255225
7101454542102
oct17172525241
95245735738
102045422241
1195a651005
12491011515
132679bbc25
141559203a9
15be88607b
hex79eaaaa1

2045422241 has 2 divisors, whose sum is σ = 2045422242. Its totient is φ = 2045422240.

The previous prime is 2045422213. The next prime is 2045422243. The reversal of 2045422241 is 1422245402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1820302225 + 225120016 = 42665^2 + 15004^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045422241 - 218 = 2045160097 is a prime.

Together with 2045422243, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2045422241.

It is not a weakly prime, because it can be changed into another prime (2045422243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022711120 + 1022711121.

It is an arithmetic number, because the mean of its divisors is an integer number (1022711121).

Almost surely, 22045422241 is an apocalyptic number.

It is an amenable number.

2045422241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045422241 is an equidigital number, since it uses as much as digits as its factorization.

2045422241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2045422241 is about 45226.3445460718. The cubic root of 2045422241 is about 1269.3878135340.

Adding to 2045422241 its reverse (1422245402), we get a palindrome (3467667643).

The spelling of 2045422241 in words is "two billion, forty-five million, four hundred twenty-two thousand, two hundred forty-one".