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304242211 = 7134437547
BaseRepresentation
bin10010001000100…
…101111000100011
3210012111002212001
4102020211320203
51110341222321
650104544431
710353005350
oct2210457043
9705432761
10304242211
11146811749
1285a82117
134b0549a0
142c599627
151ba9ac91
hex12225e23

304242211 has 16 divisors (see below), whose sum is σ = 375346944. Its totient is φ = 240143904.

The previous prime is 304242209. The next prime is 304242223. The reversal of 304242211 is 112242403.

It is not a de Polignac number, because 304242211 - 21 = 304242209 is a prime.

It is a super-4 number, since 4×3042422114 (a number of 35 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (304242241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36540 + ... + 44086.

It is an arithmetic number, because the mean of its divisors is an integer number (23459184).

Almost surely, 2304242211 is an apocalyptic number.

304242211 is a deficient number, since it is larger than the sum of its proper divisors (71104733).

304242211 is a wasteful number, since it uses less digits than its factorization.

304242211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 304242211 is about 17442.5402679770. The cubic root of 304242211 is about 672.5736101439.

Adding to 304242211 its reverse (112242403), we get a palindrome (416484614).

The spelling of 304242211 in words is "three hundred four million, two hundred forty-two thousand, two hundred eleven".

Divisors: 1 7 13 91 443 3101 5759 7547 40313 52829 98111 686777 3343321 23403247 43463173 304242211