Search a number
-
+
2213256253 = 13315491951
BaseRepresentation
bin1000001111101011…
…1001110000111101
312201020122001210211
42003322321300331
514013043200003
61003341432421
7105563240065
oct20372716075
95636561724
102213256253
11a363641aa
1251926b711
132936c33b0
1416dd2c3a5
15ce48996d
hex83eb9c3d

2213256253 has 8 divisors (see below), whose sum is σ = 2460394496. Its totient is φ = 1977102000.

The previous prime is 2213256251. The next prime is 2213256289. The reversal of 2213256253 is 3526523122.

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 2213256253 - 21 = 2213256251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213256251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2745573 + ... + 2746378.

It is an arithmetic number, because the mean of its divisors is an integer number (307549312).

Almost surely, 22213256253 is an apocalyptic number.

It is an amenable number.

2213256253 is a deficient number, since it is larger than the sum of its proper divisors (247138243).

2213256253 is a wasteful number, since it uses less digits than its factorization.

2213256253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491995.

The product of its digits is 21600, while the sum is 31.

The square root of 2213256253 is about 47045.2574974354. The cubic root of 2213256253 is about 1303.1984856151.

Adding to 2213256253 its reverse (3526523122), we get a palindrome (5739779375).

The spelling of 2213256253 in words is "two billion, two hundred thirteen million, two hundred fifty-six thousand, two hundred fifty-three".

Divisors: 1 13 31 403 5491951 71395363 170250481 2213256253