Base | Representation |
---|---|
bin | 10000111101000… |
… | …000111100110010 |
3 | 201211012112210021 |
4 | 100331000330302 |
5 | 1040303231010 |
6 | 44120154054 |
7 | 10022421235 |
oct | 2075007462 |
9 | 654175707 |
10 | 284430130 |
11 | 13660a626 |
12 | 7b30892a |
13 | 46c08c6a |
14 | 29abd41c |
15 | 19e858da |
hex | 10f40f32 |
284430130 has 8 divisors (see below), whose sum is σ = 511974252. Its totient is φ = 113772048.
The previous prime is 284430101. The next prime is 284430131. The reversal of 284430130 is 31034482.
It can be written as a sum of positive squares in 2 ways, for example, as 248346081 + 36084049 = 15759^2 + 6007^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 284430095 and 284430104.
It is not an unprimeable number, because it can be changed into a prime (284430131) 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 3 ways as a sum of consecutive naturals, for example, 14221497 + ... + 14221516.
Almost surely, 2284430130 is an apocalyptic number.
284430130 is a deficient number, since it is larger than the sum of its proper divisors (227544122).
284430130 is a wasteful number, since it uses less digits than its factorization.
284430130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28443020.
The product of its (nonzero) digits is 2304, while the sum is 25.
The square root of 284430130 is about 16865.0564778183. The cubic root of 284430130 is about 657.6455209523.
The spelling of 284430130 in words is "two hundred eighty-four million, four hundred thirty thousand, one hundred thirty".
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