Base | Representation |
---|---|
bin | 1101110110111100… |
… | …10001100101100000 |
3 | 201012112010111201001 |
4 | 12323132101211200 |
5 | 110214200234130 |
6 | 3230142121344 |
7 | 352243010446 |
oct | 67336214540 |
9 | 21175114631 |
10 | 7440243040 |
11 | 317890679a |
12 | 1537880254 |
13 | 917597899 |
14 | 5081d8b96 |
15 | 2d82cb6ca |
hex | 1bb791960 |
7440243040 has 96 divisors (see below), whose sum is σ = 18174240000. Its totient is φ = 2875392000.
The previous prime is 7440243037. The next prime is 7440243059. The reversal of 7440243040 is 403420447.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5956336 + ... + 5957584.
It is an arithmetic number, because the mean of its divisors is an integer number (189315000).
Almost surely, 27440243040 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 7440243040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9087120000).
7440243040 is an abundant number, since it is smaller than the sum of its proper divisors (10733996960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7440243040 is a wasteful number, since it uses less digits than its factorization.
7440243040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2496 (or 2488 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 28.
The square root of 7440243040 is about 86256.8434386513. The cubic root of 7440243040 is about 1952.2212723946.
Adding to 7440243040 its reverse (403420447), we get a palindrome (7843663487).
The spelling of 7440243040 in words is "seven billion, four hundred forty million, two hundred forty-three thousand, forty".
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