Search a number
-
+
244448213 is a prime number
BaseRepresentation
bin11101001000111…
…11101111010101
3122000222020220112
432210133233111
51000034320323
640131212405
76025530002
oct1644375725
9560866815
10244448213
11115a91619
1269a47105
133b84a719
14246728a9
15166d9178
hexe91fbd5

244448213 has 2 divisors, whose sum is σ = 244448214. Its totient is φ = 244448212.

The previous prime is 244448173. The next prime is 244448251. The reversal of 244448213 is 312844442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129572689 + 114875524 = 11383^2 + 10718^2 .

It is a cyclic number.

It is not a de Polignac number, because 244448213 - 218 = 244186069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244448213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244448263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122224106 + 122224107.

It is an arithmetic number, because the mean of its divisors is an integer number (122224107).

Almost surely, 2244448213 is an apocalyptic number.

It is an amenable number.

244448213 is a deficient number, since it is larger than the sum of its proper divisors (1).

244448213 is an equidigital number, since it uses as much as digits as its factorization.

244448213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 32.

The square root of 244448213 is about 15634.8397177585. The cubic root of 244448213 is about 625.2623649413.

The spelling of 244448213 in words is "two hundred forty-four million, four hundred forty-eight thousand, two hundred thirteen".