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1304333213 = 3779446231
BaseRepresentation
bin100110110111110…
…1000101110011101
310100220022222210112
41031233220232131
510132402130323
6333232215405
744215435511
oct11557505635
93326288715
101304333213
1160a297937
1230499a565
1317a2c4401
14c532c141
1579799178
hex4dbe8b9d

1304333213 has 8 divisors (see below), whose sum is σ = 1356545280. Its totient is φ = 1253013840.

The previous prime is 1304333207. The next prime is 1304333221. The reversal of 1304333213 is 3123334031.

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

It is a cyclic number.

It is not a de Polignac number, because 1304333213 - 214 = 1304316829 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 (1304332213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220193 + ... + 226038.

It is an arithmetic number, because the mean of its divisors is an integer number (169568160).

Almost surely, 21304333213 is an apocalyptic number.

It is an amenable number.

1304333213 is a deficient number, since it is larger than the sum of its proper divisors (52212067).

1304333213 is an equidigital number, since it uses as much as digits as its factorization.

1304333213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446347.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 1304333213 is about 36115.5536161361. The cubic root of 1304333213 is about 1092.6041633111.

Adding to 1304333213 its reverse (3123334031), we get a palindrome (4427667244).

The spelling of 1304333213 in words is "one billion, three hundred four million, three hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 37 79 2923 446231 16510547 35252249 1304333213