| Base | Representation |
|---|---|
| bin | 1001000101111101… |
| … | …1000000101100000 |
| 3 | 20022010000122201210 |
| 4 | 2101133120011200 |
| 5 | 14444333441230 |
| 6 | 1042113230120 |
| 7 | 114326330016 |
| oct | 22137300540 |
| 9 | 6263018653 |
| 10 | 2440921440 |
| 11 | 1042922451 |
| 12 | 581562340 |
| 13 | 2cb915a19 |
| 14 | 1922728b6 |
| 15 | e445aeb0 |
| hex | 917d8160 |
2440921440 has 96 divisors (see below), whose sum is σ = 7794341856. Its totient is φ = 641986560.
The previous prime is 2440921411. The next prime is 2440921447. The reversal of 2440921440 is 441290442.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 2440921398 and 2440921407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2440921447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210 + ... + 69870.
It is an arithmetic number, because the mean of its divisors is an integer number (81191061).
Almost surely, 22440921440 is an apocalyptic number.
2440921440 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 2440921440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3897170928).
2440921440 is an abundant number, since it is smaller than the sum of its proper divisors (5353420416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2440921440 is a wasteful number, since it uses less digits than its factorization.
2440921440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69752 (or 69744 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 2440921440 is about 49405.6822642902. The cubic root of 2440921440 is about 1346.4325454297.
The spelling of 2440921440 in words is "two billion, four hundred forty million, nine hundred twenty-one thousand, four hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •