Search a number
-
+
22975243 is a prime number
BaseRepresentation
bin101011110100…
…1001100001011
31121020021002221
41113221030023
521340201433
62140234511
7366200134
oct127511413
947207087
1022975243
1111a72705
12783ba37
1349b5725
1430a0c8b
15203c72d
hex15e930b

22975243 has 2 divisors, whose sum is σ = 22975244. Its totient is φ = 22975242.

The previous prime is 22975241. The next prime is 22975259. The reversal of 22975243 is 34257922.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22975243 - 21 = 22975241 is a prime.

Together with 22975241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22975199 and 22975208.

It is not a weakly prime, because it can be changed into another prime (22975241) 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, 11487621 + 11487622.

It is an arithmetic number, because the mean of its divisors is an integer number (11487622).

Almost surely, 222975243 is an apocalyptic number.

22975243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22975243 is an equidigital number, since it uses as much as digits as its factorization.

22975243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 22975243 is about 4793.2497326970. The cubic root of 22975243 is about 284.2846242297.

The spelling of 22975243 in words is "twenty-two million, nine hundred seventy-five thousand, two hundred forty-three".