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304034245 = 5109557861
BaseRepresentation
bin10010000111110…
…011000111000101
3210012002112120121
4102013303013011
51110313043440
650100301541
710351151134
oct2207630705
9705075517
10304034245
1114668a479
12859a18b1
134acb1128
142c54391b
151ba5934a
hex121f31c5

304034245 has 8 divisors (see below), whose sum is σ = 368188920. Its totient is φ = 240995520.

The previous prime is 304034243. The next prime is 304034249. The reversal of 304034245 is 542430403.

It can be written as a sum of positive squares in 4 ways, for example, as 12068676 + 291965569 = 3474^2 + 17087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 304034245 - 21 = 304034243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304034243) 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, 278386 + ... + 279475.

It is an arithmetic number, because the mean of its divisors is an integer number (46023615).

Almost surely, 2304034245 is an apocalyptic number.

It is an amenable number.

304034245 is a deficient number, since it is larger than the sum of its proper divisors (64154675).

304034245 is a wasteful number, since it uses less digits than its factorization.

304034245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557975.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 304034245 is about 17436.5777892338. The cubic root of 304034245 is about 672.4203284047.

Adding to 304034245 its reverse (542430403), we get a palindrome (846464648).

The spelling of 304034245 in words is "three hundred four million, thirty-four thousand, two hundred forty-five".

Divisors: 1 5 109 545 557861 2789305 60806849 304034245