Base | Representation |
---|---|
bin | 1010001110011101… |
… | …0110000101000000 |
3 | 21002022012110110011 |
4 | 2203213112011000 |
5 | 21110210002011 |
6 | 1132214514304 |
7 | 125011055125 |
oct | 24347260500 |
9 | 7068173404 |
10 | 2745000256 |
11 | 1189532359 |
12 | 647365994 |
13 | 34991120b |
14 | 1c07c874c |
15 | 110ec3621 |
hex | a39d6140 |
2745000256 has 56 divisors (see below), whose sum is σ = 5523378336. Its totient is φ = 1353408000.
The previous prime is 2745000253. The next prime is 2745000259. The reversal of 2745000256 is 6520005472.
It is an interprime number because it is at equal distance from previous prime (2745000253) and next prime (2745000259).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2745000253) 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 7 ways as a sum of consecutive naturals, for example, 1718050 + ... + 1719646.
It is an arithmetic number, because the mean of its divisors is an integer number (98631756).
Almost surely, 22745000256 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 2745000256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2761689168).
2745000256 is an abundant number, since it is smaller than the sum of its proper divisors (2778378080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2745000256 is a wasteful number, since it uses less digits than its factorization.
2745000256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1967 (or 1957 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 31.
The square root of 2745000256 is about 52392.7500328051. The cubic root of 2745000256 is about 1400.1700908989.
The spelling of 2745000256 in words is "two billion, seven hundred forty-five million, two hundred fifty-six", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •