Search a number
-
+
244441513 = 1012420213
BaseRepresentation
bin11101001000111…
…10000110101001
3122000221220201101
432210132012221
51000034112023
640131121401
76025501321
oct1644360651
9560856641
10244441513
11115a87588
1269a43261
133b847664
1424670281
15166d71ad
hexe91e1a9

244441513 has 4 divisors (see below), whose sum is σ = 246861828. Its totient is φ = 242021200.

The previous prime is 244441507. The next prime is 244441523. The reversal of 244441513 is 315144442.

244441513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 218093824 + 26347689 = 14768^2 + 5133^2 .

It is a cyclic number.

It is not a de Polignac number, because 244441513 - 25 = 244441481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244441523) 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, 1210006 + ... + 1210207.

It is an arithmetic number, because the mean of its divisors is an integer number (61715457).

Almost surely, 2244441513 is an apocalyptic number.

It is an amenable number.

244441513 is a deficient number, since it is larger than the sum of its proper divisors (2420315).

244441513 is a wasteful number, since it uses less digits than its factorization.

244441513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420314.

The product of its digits is 7680, while the sum is 28.

The square root of 244441513 is about 15634.6254512220. The cubic root of 244441513 is about 625.2566523529.

Adding to 244441513 its reverse (315144442), we get a palindrome (559585955).

The spelling of 244441513 in words is "two hundred forty-four million, four hundred forty-one thousand, five hundred thirteen".

Divisors: 1 101 2420213 244441513