Search a number
-
+
2245189 is a prime number
BaseRepresentation
bin1000100100001001000101
311020001211011
420210021011
51033321224
6120042221
725040512
oct10441105
94201734
102245189
1112a3931
12903371
13607c1b
14426309
152e5394
hex224245

2245189 has 2 divisors, whose sum is σ = 2245190. Its totient is φ = 2245188.

The previous prime is 2245183. The next prime is 2245223. The reversal of 2245189 is 9815422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2117025 + 128164 = 1455^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245189 - 25 = 2245157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2245189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2245183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122594 + 1122595.

It is an arithmetic number, because the mean of its divisors is an integer number (1122595).

22245189 is an apocalyptic number.

It is an amenable number.

2245189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245189 is an equidigital number, since it uses as much as digits as its factorization.

2245189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 2245189 is about 1498.3954751667. The cubic root of 2245189 is about 130.9436076064.

The spelling of 2245189 in words is "two million, two hundred forty-five thousand, one hundred eighty-nine".