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304242494 = 2315478971
BaseRepresentation
bin10010001000100…
…101111100111110
3210012111010020112
4102020211330332
51110341224434
650104550022
710353006233
oct2210457476
9705433215
10304242494
11146811986
1285a82312
134b054b5a
142c59978a
151ba9adce
hex12225f3e

304242494 has 16 divisors (see below), whose sum is σ = 471998976. Its totient is φ = 146928600.

The previous prime is 304242493. The next prime is 304242539. The reversal of 304242494 is 494242403.

It is a self number, because there is not a number n which added to its sum of digits gives 304242494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304242493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29429 + ... + 38399.

It is an arithmetic number, because the mean of its divisors is an integer number (29499936).

Almost surely, 2304242494 is an apocalyptic number.

304242494 is a deficient number, since it is larger than the sum of its proper divisors (167756482).

304242494 is a wasteful number, since it uses less digits than its factorization.

304242494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9551.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 304242494 is about 17442.5483803256. The cubic root of 304242494 is about 672.5738186820.

Adding to 304242494 its reverse (494242403), we get a palindrome (798484897).

The spelling of 304242494 in words is "three hundred four million, two hundred forty-two thousand, four hundred ninety-four".

Divisors: 1 2 31 62 547 1094 8971 16957 17942 33914 278101 556202 4907137 9814274 152121247 304242494