Search a number
-
+
244045 = 548809
BaseRepresentation
bin111011100101001101
3110101202201
4323211031
530302140
65121501
72034334
oct734515
9411681
10244045
1115739a
12b9291
1387109
1464d1b
154c49a
hex3b94d

244045 has 4 divisors (see below), whose sum is σ = 292860. Its totient is φ = 195232.

The previous prime is 244043. The next prime is 244087. The reversal of 244045 is 540442.

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 86436 + 157609 = 294^2 + 397^2 .

It is a cyclic number.

It is not a de Polignac number, because 244045 - 21 = 244043 is a prime.

244045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24400 + ... + 24409.

It is an arithmetic number, because the mean of its divisors is an integer number (73215).

2244045 is an apocalyptic number.

It is an amenable number.

244045 is a deficient number, since it is larger than the sum of its proper divisors (48815).

244045 is an equidigital number, since it uses as much as digits as its factorization.

244045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48814.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 244045 is about 494.0091092278. The cubic root of 244045 is about 62.4918389344.

Adding to 244045 its reverse (540442), we get a palindrome (784487).

It can be divided in two parts, 2440 and 45, that added together give a triangular number (2485 = T70).

The spelling of 244045 in words is "two hundred forty-four thousand, forty-five".

Divisors: 1 5 48809 244045