Base | Representation |
---|---|
bin | 1010101000110011… |
… | …0100101000000000 |
3 | 21101000002211010211 |
4 | 2222030310220000 |
5 | 21322001104000 |
6 | 1151203003504 |
7 | 130522150621 |
oct | 25214645000 |
9 | 7330084124 |
10 | 2855488000 |
11 | 1235937442 |
12 | 678369594 |
13 | 366787591 |
14 | 1d1349a48 |
15 | 11aa4a7ba |
hex | aa334a00 |
2855488000 has 80 divisors (see below), whose sum is σ = 7120497384. Its totient is φ = 1142169600.
The previous prime is 2855487991. The next prime is 2855488021. The reversal of 2855488000 is 8845582.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 313714944 + 2541773056 = 17712^2 + 50416^2 .
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (40).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41692 + ... + 86308.
Almost surely, 22855488000 is an apocalyptic number.
2855488000 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 2855488000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3560248692).
2855488000 is an abundant number, since it is smaller than the sum of its proper divisors (4265009384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2855488000 is an frugal number, since it uses more digits than its factorization.
2855488000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44650 (or 44624 counting only the distinct ones).
The product of its (nonzero) digits is 102400, while the sum is 40.
The square root of 2855488000 is about 53436.7663692331. The cubic root of 2855488000 is about 1418.7094006637.
The spelling of 2855488000 in words is "two billion, eight hundred fifty-five million, four hundred eighty-eight thousand".
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