Search a number
-
+
11218145 = 56733487
BaseRepresentation
bin101010110010…
…110011100001
3210002221101212
4222302303201
510332440040
61040235505
7164231651
oct52626341
923087355
1011218145
1163723a4
12390bb95
13242a173
1416c0361
15eb8d65
hexab2ce1

11218145 has 8 divisors (see below), whose sum is σ = 13663104. Its totient is φ = 8840304.

The previous prime is 11218127. The next prime is 11218159. The reversal of 11218145 is 54181211.

11218145 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is not a de Polignac number, because 11218145 - 210 = 11217121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11218145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16409 + ... + 17078.

It is an arithmetic number, because the mean of its divisors is an integer number (1707888).

Almost surely, 211218145 is an apocalyptic number.

It is an amenable number.

11218145 is a deficient number, since it is larger than the sum of its proper divisors (2444959).

11218145 is an equidigital number, since it uses as much as digits as its factorization.

11218145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33559.

The product of its digits is 320, while the sum is 23.

The square root of 11218145 is about 3349.3499369281. The cubic root of 11218145 is about 223.8585482904.

Adding to 11218145 its reverse (54181211), we get a palindrome (65399356).

The spelling of 11218145 in words is "eleven million, two hundred eighteen thousand, one hundred forty-five".

Divisors: 1 5 67 335 33487 167435 2243629 11218145