Search a number
-
+
2221004253 = 313217257687
BaseRepresentation
bin1000010001100001…
…1101010111011101
312201210012201001210
42010120131113131
514022034114003
61004215455033
7106016140026
oct20430352735
95653181053
102221004253
11a3a776406
1251b987479
132951a6c00
14170d87c4d
15ceeba503
hex8461d5dd

2221004253 has 24 divisors (see below), whose sum is σ = 3395297088. Its totient is φ = 1286368512.

The previous prime is 2221004251. The next prime is 2221004263. The reversal of 2221004253 is 3524001222.

2221004253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2221004253 - 21 = 2221004251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221004251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120225 + ... + 137462.

It is an arithmetic number, because the mean of its divisors is an integer number (141470712).

Almost surely, 22221004253 is an apocalyptic number.

It is an amenable number.

2221004253 is a deficient number, since it is larger than the sum of its proper divisors (1174292835).

2221004253 is a wasteful number, since it uses less digits than its factorization.

2221004253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257733 (or 257720 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2221004253 is about 47127.5317940586. The cubic root of 2221004253 is about 1304.7174274053.

Adding to 2221004253 its reverse (3524001222), we get a palindrome (5745005475).

The spelling of 2221004253 in words is "two billion, two hundred twenty-one million, four thousand, two hundred fifty-three".

Divisors: 1 3 13 17 39 51 169 221 507 663 2873 8619 257687 773061 3349931 4380679 10049793 13142037 43549103 56948827 130647309 170846481 740334751 2221004253