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304200223 = 352786249
BaseRepresentation
bin10010001000011…
…011101000011111
3210012101222020221
4102020123220133
51110333401343
650104022211
710352442055
oct2210335037
9705358227
10304200223
11146793148
1285a61967
134b03b842
142c5881d5
151ba8d5ed
hex1221ba1f

304200223 has 4 divisors (see below), whose sum is σ = 304290000. Its totient is φ = 304110448.

The previous prime is 304200191. The next prime is 304200269. The reversal of 304200223 is 322002403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 304200223 - 25 = 304200191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304200197 and 304200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304200293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39598 + ... + 46651.

It is an arithmetic number, because the mean of its divisors is an integer number (76072500).

Almost surely, 2304200223 is an apocalyptic number.

304200223 is a deficient number, since it is larger than the sum of its proper divisors (89777).

304200223 is an equidigital number, since it uses as much as digits as its factorization.

304200223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89776.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 304200223 is about 17441.3366173582. The cubic root of 304200223 is about 672.5426684370.

Adding to 304200223 its reverse (322002403), we get a palindrome (626202626).

The spelling of 304200223 in words is "three hundred four million, two hundred thousand, two hundred twenty-three".

Divisors: 1 3527 86249 304200223