Search a number
-
+
304285 = 5193203
BaseRepresentation
bin1001010010010011101
3120110101211
41022102131
534214120
610304421
72405062
oct1122235
9513354
10304285
11198683
12128111
13a8667
147cc69
156025a
hex4a49d

304285 has 8 divisors (see below), whose sum is σ = 384480. Its totient is φ = 230544.

The previous prime is 304279. The next prime is 304301. The reversal of 304285 is 582403.

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 304285 - 25 = 304253 is a prime.

It is a super-2 number, since 2×3042852 = 185178722450, which contains 22 as substring.

It is a plaindrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1507 + ... + 1696.

It is an arithmetic number, because the mean of its divisors is an integer number (48060).

2304285 is an apocalyptic number.

It is an amenable number.

304285 is a deficient number, since it is larger than the sum of its proper divisors (80195).

304285 is a wasteful number, since it uses less digits than its factorization.

304285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 304285 is about 551.6203404517. The cubic root of 304285 is about 67.2605139193.

Adding to 304285 its reverse (582403), we get a palindrome (886688).

The spelling of 304285 in words is "three hundred four thousand, two hundred eighty-five".

Divisors: 1 5 19 95 3203 16015 60857 304285