Base | Representation |
---|---|
bin | 11101001000111… |
… | …10001110111000 |
3 | 122000221221102220 |
4 | 32210132032320 |
5 | 1000034121130 |
6 | 40131124040 |
7 | 6025503003 |
oct | 1644361670 |
9 | 560857386 |
10 | 244442040 |
11 | 115a87a17 |
12 | 69a43620 |
13 | 3b84797b |
14 | 2467053a |
15 | 166d7410 |
hex | e91e3b8 |
244442040 has 32 divisors (see below), whose sum is σ = 733326480. Its totient is φ = 65184512.
The previous prime is 244441993. The next prime is 244442047. The reversal of 244442040 is 40244442.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 244442040.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (244442047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018389 + ... + 1018628.
Almost surely, 2244442040 is an apocalyptic number.
244442040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
244442040 is an abundant number, since it is smaller than the sum of its proper divisors (488884440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244442040 is a wasteful number, since it uses less digits than its factorization.
244442040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2037031 (or 2037027 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 24.
The square root of 244442040 is about 15634.6423048306. The cubic root of 244442040 is about 625.2571016901.
Adding to 244442040 its reverse (40244442), we get a palindrome (284686482).
The spelling of 244442040 in words is "two hundred forty-four million, four hundred forty-two thousand, forty".
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