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284994 = 23271223
BaseRepresentation
bin1000101100101000010
3112110221100
41011211002
533104434
610035230
72264613
oct1054502
9473840
10284994
11185136
12118b16
139c948
1475c0a
1559699
hex45942

284994 has 24 divisors (see below), whose sum is σ = 628992. Its totient is φ = 93240.

The previous prime is 284989. The next prime is 285007. The reversal of 284994 is 499482.

It is a happy number.

It is a d-powerful number, because it can be written as 213 + 83 + 94 + 45 + 94 + 49 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1167 + ... + 1389.

It is an arithmetic number, because the mean of its divisors is an integer number (26208).

2284994 is an apocalyptic number.

284994 is an abundant number, since it is smaller than the sum of its proper divisors (343998).

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

284994 is a wasteful number, since it uses less digits than its factorization.

284994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 299 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 284994 is about 533.8482930571. The cubic root of 284994 is about 65.8079818355.

The spelling of 284994 in words is "two hundred eighty-four thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 71 142 213 223 426 446 639 669 1278 1338 2007 4014 15833 31666 47499 94998 142497 284994