Base | Representation |
---|---|
bin | 10000111101000… |
… | …010111110000001 |
3 | 201211012222010121 |
4 | 100331002332001 |
5 | 1040304012101 |
6 | 44120300241 |
7 | 10022454322 |
oct | 2075027601 |
9 | 654188117 |
10 | 284438401 |
11 | 136615865 |
12 | 7b311681 |
13 | 46c0c960 |
14 | 29ac2449 |
15 | 19e880a1 |
hex | 10f42f81 |
284438401 has 8 divisors (see below), whose sum is σ = 319636800. Its totient is φ = 251142672.
The previous prime is 284438389. The next prime is 284438411. The reversal of 284438401 is 104834482.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 284438401 - 25 = 284438369 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (284438411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475351 + ... + 475948.
It is an arithmetic number, because the mean of its divisors is an integer number (39954600).
Almost surely, 2284438401 is an apocalyptic number.
It is an amenable number.
284438401 is a deficient number, since it is larger than the sum of its proper divisors (35198399).
284438401 is a wasteful number, since it uses less digits than its factorization.
284438401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 951335.
The product of its (nonzero) digits is 24576, while the sum is 34.
The square root of 284438401 is about 16865.3016871920. The cubic root of 284438401 is about 657.6518954919.
The spelling of 284438401 in words is "two hundred eighty-four million, four hundred thirty-eight thousand, four hundred one".
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