Base | Representation |
---|---|
bin | 1010101000000111… |
… | …1101000000000000 |
3 | 21100210202001122221 |
4 | 2222001331000000 |
5 | 21320233414340 |
6 | 1151021540424 |
7 | 130456012651 |
oct | 25201750000 |
9 | 7323661587 |
10 | 2852638720 |
11 | 1234270768 |
12 | 677414714 |
13 | 365cca709 |
14 | 1d0c07528 |
15 | 11a68644a |
hex | aa07d000 |
2852638720 has 104 divisors (see below), whose sum is σ = 7206769440. Its totient is φ = 1080852480.
The previous prime is 2852638717. The next prime is 2852638721. The reversal of 2852638720 is 278362582.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2852638721) 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, 385455 + ... + 392785.
It is an arithmetic number, because the mean of its divisors is an integer number (69295860).
Almost surely, 22852638720 is an apocalyptic number.
2852638720 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 2852638720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3603384720).
2852638720 is an abundant number, since it is smaller than the sum of its proper divisors (4354130720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2852638720 is an equidigital number, since it uses as much as digits as its factorization.
2852638720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7379 (or 7357 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 43.
The square root of 2852638720 is about 53410.0994194918. The cubic root of 2852638720 is about 1418.2373686128.
The spelling of 2852638720 in words is "two billion, eight hundred fifty-two million, six hundred thirty-eight thousand, seven hundred twenty".
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