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304421214 = 2350736869
BaseRepresentation
bin10010001001010…
…001100101011110
3210012211012101210
4102021101211132
51110412434324
650112445250
710354352256
oct2211214536
9705735353
10304421214
11146924189
1285b49826
134b0b82c6
142c604966
151bad3d29
hex1225195e

304421214 has 8 divisors (see below), whose sum is σ = 608842440. Its totient is φ = 101473736.

The previous prime is 304421213. The next prime is 304421239. The reversal of 304421214 is 412124403.

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

304421214 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304421213) 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 3 ways as a sum of consecutive naturals, for example, 25368429 + ... + 25368440.

It is an arithmetic number, because the mean of its divisors is an integer number (76105305).

Almost surely, 2304421214 is an apocalyptic number.

304421214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304421214 is a wasteful number, since it uses less digits than its factorization.

304421214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50736874.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 304421214 is about 17447.6707327941. The cubic root of 304421214 is about 672.7054887217.

Adding to 304421214 its reverse (412124403), we get a palindrome (716545617).

It can be divided in two parts, 30 and 4421214, that added together give a palindrome (4421244).

The spelling of 304421214 in words is "three hundred four million, four hundred twenty-one thousand, two hundred fourteen".

Divisors: 1 2 3 6 50736869 101473738 152210607 304421214