Search a number
-
+
244032013 = 298414897
BaseRepresentation
bin11101000101110…
…10001000001101
3122000012002222201
432202322020031
5444433011023
640114241501
76022144411
oct1642721015
9560162881
10244032013
11115827955
1269886291
133b733154
14245a4d41
1516655bad
hexe8ba20d

244032013 has 4 divisors (see below), whose sum is σ = 252446940. Its totient is φ = 235617088.

The previous prime is 244032007. The next prime is 244032043. The reversal of 244032013 is 310230442.

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 144072009 + 99960004 = 12003^2 + 9998^2 .

It is a cyclic number.

It is not a de Polignac number, because 244032013 - 217 = 243900941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244032043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4207420 + ... + 4207477.

It is an arithmetic number, because the mean of its divisors is an integer number (63111735).

Almost surely, 2244032013 is an apocalyptic number.

It is an amenable number.

244032013 is a deficient number, since it is larger than the sum of its proper divisors (8414927).

244032013 is an equidigital number, since it uses as much as digits as its factorization.

244032013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414926.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 244032013 is about 15621.5240293641. The cubic root of 244032013 is about 624.9073040126.

Adding to 244032013 its reverse (310230442), we get a palindrome (554262455).

It can be divided in two parts, 2440 and 32013, that added together give a triangular number (34453 = T262).

The spelling of 244032013 in words is "two hundred forty-four million, thirty-two thousand, thirteen".

Divisors: 1 29 8414897 244032013