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304145326 = 2187781019
BaseRepresentation
bin10010001000001…
…110001110101110
3210012022011221201
4102020032032232
51110330122301
650102520114
710352123032
oct2210161656
9705264851
10304145326
11146755981
1285a3603a
134b01c864
142c5721c2
151ba7c201
hex1220e3ae

304145326 has 8 divisors (see below), whose sum is σ = 456466680. Its totient is φ = 151989768.

The previous prime is 304145299. The next prime is 304145357. The reversal of 304145326 is 623541403.

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

It is a junction number, because it is equal to n+sod(n) for n = 304145294 and 304145303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36756 + ... + 44263.

It is an arithmetic number, because the mean of its divisors is an integer number (57058335).

Almost surely, 2304145326 is an apocalyptic number.

304145326 is a deficient number, since it is larger than the sum of its proper divisors (152321354).

304145326 is a wasteful number, since it uses less digits than its factorization.

304145326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82898.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 304145326 is about 17439.7627850840. The cubic root of 304145326 is about 672.5022095624.

Adding to 304145326 its reverse (623541403), we get a palindrome (927686729).

The spelling of 304145326 in words is "three hundred four million, one hundred forty-five thousand, three hundred twenty-six".

Divisors: 1 2 1877 3754 81019 162038 152072663 304145326