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304102213 = 6710144939
BaseRepresentation
bin10010001000000…
…011101101000101
3210012012222210221
4102020003231011
51110322232323
650101544341
710351553242
oct2210035505
9705188727
10304102213
11146726548
1285a150b1
134b00604c
142c5605c9
151ba6e55d
hex12203b45

304102213 has 8 divisors (see below), whose sum is σ = 311703840. Its totient is φ = 296590800.

The previous prime is 304102151. The next prime is 304102241. The reversal of 304102213 is 312201403.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-304102213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304102243) 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 7 ways as a sum of consecutive naturals, for example, 15703 + ... + 29236.

It is an arithmetic number, because the mean of its divisors is an integer number (38962980).

Almost surely, 2304102213 is an apocalyptic number.

It is an amenable number.

304102213 is a deficient number, since it is larger than the sum of its proper divisors (7601627).

304102213 is a wasteful number, since it uses less digits than its factorization.

304102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45107.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 304102213 is about 17438.5266866212. The cubic root of 304102213 is about 672.4704320366.

Adding to 304102213 its reverse (312201403), we get a palindrome (616303616).

It can be divided in two parts, 30410 and 2213, that added together give a palindrome (32623).

The spelling of 304102213 in words is "three hundred four million, one hundred two thousand, two hundred thirteen".

Divisors: 1 67 101 6767 44939 3010913 4538839 304102213