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304227225 = 3352450707
BaseRepresentation
bin10010001000100…
…010001110011001
3210012110100022000
4102020202032121
51110340232400
650104351213
710352613561
oct2210421631
9705410260
10304227225
11146801465
1285a75509
134b04ac13
142c593da1
151ba96600
hex12222399

304227225 has 24 divisors (see below), whose sum is σ = 558877920. Its totient is φ = 162254160.

The previous prime is 304227181. The next prime is 304227227. The reversal of 304227225 is 522722403.

It is not a de Polignac number, because 304227225 - 27 = 304227097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (304227227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224679 + ... + 226028.

It is an arithmetic number, because the mean of its divisors is an integer number (23286580).

Almost surely, 2304227225 is an apocalyptic number.

It is an amenable number.

304227225 is a deficient number, since it is larger than the sum of its proper divisors (254650695).

304227225 is a wasteful number, since it uses less digits than its factorization.

304227225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450726 (or 450715 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 304227225 is about 17442.1106807634. The cubic root of 304227225 is about 672.5625670196.

Adding to 304227225 its reverse (522722403), we get a palindrome (826949628).

It can be divided in two parts, 304 and 227225, that added together give a square (227529 = 4772).

The spelling of 304227225 in words is "three hundred four million, two hundred twenty-seven thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 225 675 450707 1352121 2253535 4056363 6760605 11267675 12169089 20281815 33803025 60845445 101409075 304227225