Search a number
-
+
2213303245 = 5934147389
BaseRepresentation
bin1000001111101100…
…0101001111001101
312201020201110021021
42003323011033031
514013101200440
61003342434141
7105563524066
oct20373051715
95636643237
102213303245
11a3639653a
12519292951
1329370b8ba
1416dd4156d
15ce49884a
hex83ec53cd

2213303245 has 8 divisors (see below), whose sum is σ = 2656304280. Its totient is φ = 1770415680.

The previous prime is 2213303231. The next prime is 2213303251. The reversal of 2213303245 is 5423033122.

It can be written as a sum of positive squares in 4 ways, for example, as 21846276 + 2191456969 = 4674^2 + 46813^2 .

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

It is not a de Polignac number, because 2213303245 - 217 = 2213172173 is a prime.

It is a super-2 number, since 2×22133032452 = 9797422508655060050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23011 + ... + 70399.

It is an arithmetic number, because the mean of its divisors is an integer number (332038035).

Almost surely, 22213303245 is an apocalyptic number.

It is an amenable number.

2213303245 is a deficient number, since it is larger than the sum of its proper divisors (443001035).

2213303245 is an equidigital number, since it uses as much as digits as its factorization.

2213303245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56735.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2213303245 is about 47045.7569287603. The cubic root of 2213303245 is about 1303.2077087480.

Adding to 2213303245 its reverse (5423033122), we get a palindrome (7636336367).

The spelling of 2213303245 in words is "two billion, two hundred thirteen million, three hundred three thousand, two hundred forty-five".

Divisors: 1 5 9341 46705 47389 236945 442660649 2213303245