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304145103 = 3195335879
BaseRepresentation
bin10010001000001…
…110001011001111
3210012022011122110
4102020032023033
51110330120403
650102515103
710352122263
oct2210161317
9705264573
10304145103
11146755799
1285a35a93
134b01c722
142c5720a3
151ba7c103
hex1220e2cf

304145103 has 8 divisors (see below), whose sum is σ = 426870400. Its totient is φ = 192091608.

The previous prime is 304145099. The next prime is 304145137. The reversal of 304145103 is 301541403.

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

It is not a de Polignac number, because 304145103 - 22 = 304145099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304145103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304145173) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2667883 + ... + 2667996.

It is an arithmetic number, because the mean of its divisors is an integer number (53358800).

Almost surely, 2304145103 is an apocalyptic number.

304145103 is a deficient number, since it is larger than the sum of its proper divisors (122725297).

304145103 is a wasteful number, since it uses less digits than its factorization.

304145103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335901.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 304145103 is about 17439.7563916472. The cubic root of 304145103 is about 672.5020452023.

Adding to 304145103 its reverse (301541403), we get a palindrome (605686506).

The spelling of 304145103 in words is "three hundred four million, one hundred forty-five thousand, one hundred three".

Divisors: 1 3 19 57 5335879 16007637 101381701 304145103