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304345142 = 24316721191
BaseRepresentation
bin10010001000111…
…111000000110110
3210012200100001022
4102020333000312
51110403021032
650111101142
710353614423
oct2210770066
9705610038
10304345142
11146882012
1285b117b2
134b08c7aa
142c5c4d4a
151babb512
hex1223f036

304345142 has 16 divisors (see below), whose sum is σ = 469953792. Its totient is φ = 147736680.

The previous prime is 304345141. The next prime is 304345159. The reversal of 304345142 is 241543403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304345141) 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, 3767 + ... + 24957.

It is an arithmetic number, because the mean of its divisors is an integer number (29372112).

Almost surely, 2304345142 is an apocalyptic number.

304345142 is a deficient number, since it is larger than the sum of its proper divisors (165608650).

304345142 is a wasteful number, since it uses less digits than its factorization.

304345142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21403.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 304345142 is about 17445.4905921272. The cubic root of 304345142 is about 672.6494497941.

Adding to 304345142 its reverse (241543403), we get a palindrome (545888545).

The spelling of 304345142 in words is "three hundred four million, three hundred forty-five thousand, one hundred forty-two".

Divisors: 1 2 43 86 167 334 7181 14362 21191 42382 911213 1822426 3538897 7077794 152172571 304345142