Search a number
-
+
11100145 = 572313789
BaseRepresentation
bin101010010101…
…111111110001
3202212221112111
4222111333301
510320201040
61033525321
7163230640
oct52257761
922787474
1011100145
1162a1781
123873841
1323b8544
14168d357
15e93dea
hexa95ff1

11100145 has 16 divisors (see below), whose sum is σ = 15886080. Its totient is φ = 7280064.

The previous prime is 11100143. The next prime is 11100179. The reversal of 11100145 is 54100111.

It is a cyclic number.

It is not a de Polignac number, because 11100145 - 21 = 11100143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11100143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6090 + ... + 7699.

It is an arithmetic number, because the mean of its divisors is an integer number (992880).

Almost surely, 211100145 is an apocalyptic number.

It is an amenable number.

11100145 is a deficient number, since it is larger than the sum of its proper divisors (4785935).

11100145 is a wasteful number, since it uses less digits than its factorization.

11100145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13824.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 11100145 is about 3331.6880106036. The cubic root of 11100145 is about 223.0708817688.

Adding to 11100145 its reverse (54100111), we get a palindrome (65200256).

The spelling of 11100145 in words is "eleven million, one hundred thousand, one hundred forty-five".

Divisors: 1 5 7 23 35 115 161 805 13789 68945 96523 317147 482615 1585735 2220029 11100145