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304190 = 25191601
BaseRepresentation
bin1001010010000111110
3120110021022
41022100332
534213230
610304142
72404565
oct1122076
9513238
10304190
111985a7
12128052
13a85c3
147cbdc
15601e5
hex4a43e

304190 has 16 divisors (see below), whose sum is σ = 576720. Its totient is φ = 115200.

The previous prime is 304169. The next prime is 304193. The reversal of 304190 is 91403.

304190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3041902 = 185063112200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 304190.

It is not an unprimeable number, because it can be changed into a prime (304193) by changing a digit.

304190 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611 + ... + 990.

It is an arithmetic number, because the mean of its divisors is an integer number (36045).

2304190 is an apocalyptic number.

304190 is a deficient number, since it is larger than the sum of its proper divisors (272530).

304190 is a wasteful number, since it uses less digits than its factorization.

304190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 304190 is about 551.5342237794. The cubic root of 304190 is about 67.2535134495.

Adding to 304190 its reverse (91403), we get a palindrome (395593).

It can be divided in two parts, 304 and 190, that added together give a palindrome (494).

The spelling of 304190 in words is "three hundred four thousand, one hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 1601 3202 8005 16010 30419 60838 152095 304190