Base | Representation |
---|---|
bin | 1000000111110000101101 |
3 | 11000011100200 |
4 | 20013300231 |
5 | 1021111231 |
6 | 113344113 |
7 | 24044553 |
oct | 10076055 |
9 | 4004320 |
10 | 2128941 |
11 | 1224561 |
12 | 868039 |
13 | 597039 |
14 | 3d5bd3 |
15 | 2c0be6 |
hex | 207c2d |
2128941 has 6 divisors (see below), whose sum is σ = 3075150. Its totient is φ = 1419288.
The previous prime is 2128933. The next prime is 2128963. The reversal of 2128941 is 1498212.
It can be written as a sum of positive squares in only one way, i.e., 2090916 + 38025 = 1446^2 + 195^2 .
It is not a de Polignac number, because 2128941 - 23 = 2128933 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2128991) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118266 + ... + 118283.
It is an arithmetic number, because the mean of its divisors is an integer number (512525).
22128941 is an apocalyptic number.
It is an amenable number.
2128941 is a deficient number, since it is larger than the sum of its proper divisors (946209).
2128941 is a wasteful number, since it uses less digits than its factorization.
2128941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236555 (or 236552 counting only the distinct ones).
The product of its digits is 1152, while the sum is 27.
The square root of 2128941 is about 1459.0890994041. The cubic root of 2128941 is about 128.6435082604.
The spelling of 2128941 in words is "two million, one hundred twenty-eight thousand, nine hundred forty-one".
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