Base | Representation |
---|---|
bin | 111110011111110010000 |
3 | 10212001011201 |
4 | 13303332100 |
5 | 1011013023 |
6 | 111520544 |
7 | 23256343 |
oct | 7637620 |
9 | 3761151 |
10 | 2047888 |
11 | 1179677 |
12 | 829154 |
13 | 56918b |
14 | 3b445a |
15 | 2a6bad |
hex | 1f3f90 |
2047888 has 20 divisors (see below), whose sum is σ = 4201740. Its totient is φ = 963584.
The previous prime is 2047883. The next prime is 2047919. The reversal of 2047888 is 8887402.
It can be written as a sum of positive squares in 2 ways, for example, as 1149184 + 898704 = 1072^2 + 948^2 .
It is not an unprimeable number, because it can be changed into a prime (2047883) 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 3 ways as a sum of consecutive naturals, for example, 3493 + ... + 4036.
It is an arithmetic number, because the mean of its divisors is an integer number (210087).
22047888 is an apocalyptic number.
It is an amenable number.
2047888 is an abundant number, since it is smaller than the sum of its proper divisors (2153852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2047888 is a wasteful number, since it uses less digits than its factorization.
2047888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7554 (or 7548 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 37.
The square root of 2047888 is about 1431.0443738752. The cubic root of 2047888 is about 126.9897691554.
The spelling of 2047888 in words is "two million, forty-seven thousand, eight hundred eighty-eight".
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