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244440241 = 376606493
BaseRepresentation
bin11101001000111…
…01110010110001
3122000221211222021
432210131302301
51000034041431
640131111441
76025464523
oct1644356261
9560854867
10244440241
11115a86631
1269a42581
133b846bc6
142466da13
15166d6b11
hexe91dcb1

244440241 has 4 divisors (see below), whose sum is σ = 251046772. Its totient is φ = 237833712.

The previous prime is 244440233. The next prime is 244440247. The reversal of 244440241 is 142044442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142044442 = 271022221.

It can be written as a sum of positive squares in 2 ways, for example, as 100080016 + 144360225 = 10004^2 + 12015^2 .

It is a cyclic number.

It is not a de Polignac number, because 244440241 - 23 = 244440233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244440247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3303210 + ... + 3303283.

It is an arithmetic number, because the mean of its divisors is an integer number (62761693).

Almost surely, 2244440241 is an apocalyptic number.

It is an amenable number.

244440241 is a deficient number, since it is larger than the sum of its proper divisors (6606531).

244440241 is an equidigital number, since it uses as much as digits as its factorization.

244440241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606530.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 244440241 is about 15634.5847722285. The cubic root of 244440241 is about 625.2555678019.

Adding to 244440241 its reverse (142044442), we get a palindrome (386484683).

The spelling of 244440241 in words is "two hundred forty-four million, four hundred forty thousand, two hundred forty-one".

Divisors: 1 37 6606493 244440241