Base | Representation |
---|---|
bin | 10111011000001000010001 |
3 | 102112100020100 |
4 | 113120020101 |
5 | 3032100040 |
6 | 335203013 |
7 | 103042212 |
oct | 27301021 |
9 | 12470210 |
10 | 6128145 |
11 | 3506191 |
12 | 2076469 |
13 | 136742a |
14 | b57409 |
15 | 810b30 |
hex | 5d8211 |
6128145 has 24 divisors (see below), whose sum is σ = 10872576. Its totient is φ = 3191328.
The previous prime is 6128141. The next prime is 6128149. The reversal of 6128145 is 5418216.
6128145 is a `hidden beast` number, since 612 + 8 + 1 + 45 = 666.
It is an interprime number because it is at equal distance from previous prime (6128141) and next prime (6128149).
It is not a de Polignac number, because 6128145 - 22 = 6128141 is a prime.
It is a super-2 number, since 2×61281452 = 75108322282050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6128141) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352 + ... + 3518.
It is an arithmetic number, because the mean of its divisors is an integer number (453024).
Almost surely, 26128145 is an apocalyptic number.
It is an amenable number.
6128145 is a deficient number, since it is larger than the sum of its proper divisors (4744431).
6128145 is a wasteful number, since it uses less digits than its factorization.
6128145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3221 (or 3218 counting only the distinct ones).
The product of its digits is 1920, while the sum is 27.
The square root of 6128145 is about 2475.5090385616. The cubic root of 6128145 is about 182.9965958338.
The spelling of 6128145 in words is "six million, one hundred twenty-eight thousand, one hundred forty-five".
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