Search a number
-
+
244131749 is a prime number
BaseRepresentation
bin11101000110100…
…10011110100101
3122000101011210122
432203102132211
5444444203444
640120331325
76023041241
oct1643223645
9560334718
10244131749
11115895884
1269913b45
133b769674
14245cd421
15166754ee
hexe8d27a5

244131749 has 2 divisors, whose sum is σ = 244131750. Its totient is φ = 244131748.

The previous prime is 244131709. The next prime is 244131751. The reversal of 244131749 is 947131442.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139948900 + 104182849 = 11830^2 + 10207^2 .

It is a cyclic number.

It is not a de Polignac number, because 244131749 - 28 = 244131493 is a prime.

Together with 244131751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244131709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122065874 + 122065875.

It is an arithmetic number, because the mean of its divisors is an integer number (122065875).

Almost surely, 2244131749 is an apocalyptic number.

It is an amenable number.

244131749 is a deficient number, since it is larger than the sum of its proper divisors (1).

244131749 is an equidigital number, since it uses as much as digits as its factorization.

244131749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 244131749 is about 15624.7159654184. The cubic root of 244131749 is about 624.9924257215.

It can be divided in two parts, 24413 and 1749, that added together give a palindrome (26162).

The spelling of 244131749 in words is "two hundred forty-four million, one hundred thirty-one thousand, seven hundred forty-nine".