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304130216 = 23132924329
BaseRepresentation
bin10010001000001…
…010100010101000
3210012021102020002
4102020022202220
51110324131331
650102322132
710352031005
oct2210124250
9705242202
10304130216
11146745595
1285a29348
134b015a10
142c56a8ac
151ba779cb
hex1220a8a8

304130216 has 16 divisors (see below), whose sum is σ = 614109300. Its totient is φ = 140367744.

The previous prime is 304130209. The next prime is 304130227. The reversal of 304130216 is 612031403.

It can be written as a sum of positive squares in 2 ways, for example, as 273770116 + 30360100 = 16546^2 + 5510^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462061 + ... + 1462268.

Almost surely, 2304130216 is an apocalyptic number.

It is an amenable number.

304130216 is an abundant number, since it is smaller than the sum of its proper divisors (309979084).

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

304130216 is a wasteful number, since it uses less digits than its factorization.

304130216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924348 (or 2924344 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 304130216 is about 17439.3295742698. The cubic root of 304130216 is about 672.4910726970.

Adding to 304130216 its reverse (612031403), we get a palindrome (916161619).

The spelling of 304130216 in words is "three hundred four million, one hundred thirty thousand, two hundred sixteen".

Divisors: 1 2 4 8 13 26 52 104 2924329 5848658 11697316 23394632 38016277 76032554 152065108 304130216