Base | Representation |
---|---|
bin | 10000111101011… |
… | …000111000001110 |
3 | 201211101112020100 |
4 | 100331120320032 |
5 | 1040314400032 |
6 | 44122231530 |
7 | 10023310053 |
oct | 2075307016 |
9 | 654345210 |
10 | 284528142 |
11 | 136677228 |
12 | 7b3555a6 |
13 | 46c41762 |
14 | 29b0702a |
15 | 19ea497c |
hex | 10f58e0e |
284528142 has 24 divisors (see below), whose sum is σ = 616874544. Its totient is φ = 94781664.
The previous prime is 284528141. The next prime is 284528161. The reversal of 284528142 is 241825482.
It is a junction number, because it is equal to n+sod(n) for n = 284528097 and 284528106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (284528141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30303 + ... + 38565.
It is an arithmetic number, because the mean of its divisors is an integer number (25703106).
Almost surely, 2284528142 is an apocalyptic number.
284528142 is an abundant number, since it is smaller than the sum of its proper divisors (332346402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
284528142 is a wasteful number, since it uses less digits than its factorization.
284528142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10184 (or 10181 counting only the distinct ones).
The product of its digits is 40960, while the sum is 36.
The square root of 284528142 is about 16867.9619990087. The cubic root of 284528142 is about 657.7210518046.
The spelling of 284528142 in words is "two hundred eighty-four million, five hundred twenty-eight thousand, one hundred forty-two".
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