Search a number
-
+
244291237 is a prime number
BaseRepresentation
bin11101000111110…
…01011010100101
3122000200021120121
432203321122211
51000014304422
640124001541
76024304231
oct1643713245
9560607517
10244291237
11115994693
12699902b1
133b7c4138
14246315c1
15166a78c7
hexe8f96a5

244291237 has 2 divisors, whose sum is σ = 244291238. Its totient is φ = 244291236.

The previous prime is 244291217. The next prime is 244291283. The reversal of 244291237 is 732192442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188952516 + 55338721 = 13746^2 + 7439^2 .

It is a cyclic number.

It is not a de Polignac number, because 244291237 - 27 = 244291109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244291217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122145618 + 122145619.

It is an arithmetic number, because the mean of its divisors is an integer number (122145619).

Almost surely, 2244291237 is an apocalyptic number.

It is an amenable number.

244291237 is a deficient number, since it is larger than the sum of its proper divisors (1).

244291237 is an equidigital number, since it uses as much as digits as its factorization.

244291237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 244291237 is about 15629.8188409207. The cubic root of 244291237 is about 625.1284958203.

The spelling of 244291237 in words is "two hundred forty-four million, two hundred ninety-one thousand, two hundred thirty-seven".