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244256 = 2517449
BaseRepresentation
bin111011101000100000
3110102001112
4323220200
530304011
65122452
72035055
oct735040
9412045
10244256
11157571
12b9428
138723c
146502c
154c58b
hex3ba20

244256 has 24 divisors (see below), whose sum is σ = 510300. Its totient is φ = 114688.

The previous prime is 244253. The next prime is 244261. The reversal of 244256 is 652442.

It can be written as a sum of positive squares in 2 ways, for example, as 234256 + 10000 = 484^2 + 100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244253) 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, 320 + ... + 768.

2244256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255150).

244256 is an abundant number, since it is smaller than the sum of its proper divisors (266044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244256 is a wasteful number, since it uses less digits than its factorization.

244256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 468 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 244256 is about 494.2226219023. Note that the first 3 decimals coincide. The cubic root of 244256 is about 62.5098437829.

Adding to 244256 its reverse (652442), we get a palindrome (896698).

The spelling of 244256 in words is "two hundred forty-four thousand, two hundred fifty-six".