Base | Representation |
---|---|
bin | 11101000111100… |
… | …00100101000000 |
3 | 122000121102220222 |
4 | 32203300211000 |
5 | 1000012130130 |
6 | 40123122212 |
7 | 6024063551 |
oct | 1643604500 |
9 | 560542828 |
10 | 244255040 |
11 | 11596a477 |
12 | 69973368 |
13 | 3b7b0813 |
14 | 24622328 |
15 | 1669bce5 |
hex | e8f0940 |
244255040 has 56 divisors (see below), whose sum is σ = 595850472. Its totient is φ = 95313920.
The previous prime is 244255001. The next prime is 244255043. The reversal of 244255040 is 40552442.
It can be written as a sum of positive squares in 4 ways, for example, as 28987456 + 215267584 = 5384^2 + 14672^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (244255043) 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 7 ways as a sum of consecutive naturals, for example, 3812 + ... + 22428.
It is an arithmetic number, because the mean of its divisors is an integer number (10640187).
Almost surely, 2244255040 is an apocalyptic number.
244255040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 244255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297925236).
244255040 is an abundant number, since it is smaller than the sum of its proper divisors (351595432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244255040 is a wasteful number, since it uses less digits than its factorization.
244255040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18675 (or 18665 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 26.
The square root of 244255040 is about 15628.6608511414. The cubic root of 244255040 is about 625.0976188854.
The spelling of 244255040 in words is "two hundred forty-four million, two hundred fifty-five thousand, forty".
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