Base | Representation |
---|---|
bin | 10000111010111… |
… | …010111010100101 |
3 | 201210011122200202 |
4 | 100322322322211 |
5 | 1040133144000 |
6 | 44100320245 |
7 | 10014643523 |
oct | 2072727245 |
9 | 653148622 |
10 | 283881125 |
11 | 136275100 |
12 | 7b0a3085 |
13 | 46a760c8 |
14 | 299b9313 |
15 | 19dc7dd5 |
hex | 10ebaea5 |
283881125 has 36 divisors (see below), whose sum is σ = 392282436. Its totient is φ = 204952000.
The previous prime is 283881121. The next prime is 283881127. The reversal of 283881125 is 521188382.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 6 ways, for example, as 69522244 + 214358881 = 8338^2 + 14641^2 .
It is not a de Polignac number, because 283881125 - 22 = 283881121 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (283881121) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2072057 + ... + 2072193.
Almost surely, 2283881125 is an apocalyptic number.
283881125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
283881125 is a deficient number, since it is larger than the sum of its proper divisors (108401311).
283881125 is an equidigital number, since it uses as much as digits as its factorization.
283881125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 311 (or 153 counting only the distinct ones).
The product of its digits is 30720, while the sum is 38.
The square root of 283881125 is about 16848.7722104609. The cubic root of 283881125 is about 657.2221208625. Note that the first 3 decimals are identical.
The spelling of 283881125 in words is "two hundred eighty-three million, eight hundred eighty-one thousand, one hundred twenty-five".
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