Search a number
-
+
11326281 = 323164149
BaseRepresentation
bin101011001101…
…001101001001
3210022102201220
4223031031021
510344420111
61042432253
7165162141
oct53151511
923272656
1011326281
11643666a
123962689
132467455
14170b921
15edae06
hexacd349

11326281 has 8 divisors (see below), whose sum is σ = 15758400. Its totient is φ = 7222512.

The previous prime is 11326279. The next prime is 11326303. The reversal of 11326281 is 18262311.

11326281 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11326281 - 21 = 11326279 is a prime.

It is a super-2 number, since 2×113262812 = 256569282581922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11326481) 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, 82006 + ... + 82143.

It is an arithmetic number, because the mean of its divisors is an integer number (1969800).

Almost surely, 211326281 is an apocalyptic number.

11326281 is the 2129-th centered pentagonal number.

It is an amenable number.

11326281 is a deficient number, since it is larger than the sum of its proper divisors (4432119).

11326281 is a wasteful number, since it uses less digits than its factorization.

11326281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164175.

The product of its digits is 576, while the sum is 24.

The square root of 11326281 is about 3365.4540555473. The cubic root of 11326281 is about 224.5755355502.

Adding to 11326281 its reverse (18262311), we get a palindrome (29588592).

The spelling of 11326281 in words is "eleven million, three hundred twenty-six thousand, two hundred eighty-one".

Divisors: 1 3 23 69 164149 492447 3775427 11326281