Base | Representation |
---|---|
bin | 10000111011101… |
… | …011110100010001 |
3 | 201210112211110021 |
4 | 100323223310101 |
5 | 1040211101200 |
6 | 44104503441 |
7 | 10016436505 |
oct | 2073536421 |
9 | 653484407 |
10 | 284081425 |
11 | 1363a1641 |
12 | 7b17ab81 |
13 | 46b16324 |
14 | 29a2c305 |
15 | 19e1741a |
hex | 10eebd11 |
284081425 has 6 divisors (see below), whose sum is σ = 352260998. Its totient is φ = 227265120.
The previous prime is 284081423. The next prime is 284081429. The reversal of 284081425 is 524180482.
It can be written as a sum of positive squares in 3 ways, for example, as 72437121 + 211644304 = 8511^2 + 14548^2 .
It is not a de Polignac number, because 284081425 - 21 = 284081423 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (284081423) 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, 5681604 + ... + 5681653.
Almost surely, 2284081425 is an apocalyptic number.
284081425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
284081425 is a deficient number, since it is larger than the sum of its proper divisors (68179573).
284081425 is a wasteful number, since it uses less digits than its factorization.
284081425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11363267 (or 11363262 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 34.
The square root of 284081425 is about 16854.7152156303. The cubic root of 284081425 is about 657.3766581321.
The spelling of 284081425 in words is "two hundred eighty-four million, eighty-one thousand, four hundred twenty-five".
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