Search a number
-
+
284140026 = 23228795483
BaseRepresentation
bin10000111011111…
…010000111111010
3201210122210211200
4100323322013322
51040214440101
644110035030
710020102402
oct2073720772
9653583750
10284140026
11136431675
127b1a8a76
1346b36bc1
1429a45802
1519e29986
hex10efa1fa

284140026 has 24 divisors (see below), whose sum is σ = 615962880. Its totient is φ = 94663176.

The previous prime is 284140019. The next prime is 284140027. The reversal of 284140026 is 620041482.

It is not an unprimeable number, because it can be changed into a prime (284140027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49081 + ... + 54563.

It is an arithmetic number, because the mean of its divisors is an integer number (25665120).

Almost surely, 2284140026 is an apocalyptic number.

284140026 is an abundant number, since it is smaller than the sum of its proper divisors (331822854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284140026 is a wasteful number, since it uses less digits than its factorization.

284140026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8370 (or 8367 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 284140026 is about 16856.4535415965. The cubic root of 284140026 is about 657.4218567707.

The spelling of 284140026 in words is "two hundred eighty-four million, one hundred forty thousand, twenty-six".

Divisors: 1 2 3 6 9 18 2879 5483 5758 8637 10966 16449 17274 25911 32898 49347 51822 98694 15785557 31571114 47356671 94713342 142070013 284140026