Search a number
-
+
11090871 = 3311107349
BaseRepresentation
bin101010010011…
…101110110111
3202212110211000
4222103232313
510314401441
61033414343
7163161621
oct52235667
922773730
1011090871
116295810
12386a3b3
1323b425c
141689c11
15e912b6
hexa93bb7

11090871 has 32 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 6639840.

The previous prime is 11090831. The next prime is 11090873. The reversal of 11090871 is 17809011.

11090871 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11090871 - 211 = 11088823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11090873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31605 + ... + 31953.

It is an arithmetic number, because the mean of its divisors is an integer number (567000).

Almost surely, 211090871 is an apocalyptic number.

11090871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11090871 is a deficient number, since it is larger than the sum of its proper divisors (7053129).

11090871 is a wasteful number, since it uses less digits than its factorization.

11090871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 11090871 is about 3330.2959327964. The cubic root of 11090871 is about 223.0087403654.

Adding to 11090871 its reverse (17809011), we get a palindrome (28899882).

The spelling of 11090871 in words is "eleven million, ninety thousand, eight hundred seventy-one".

Divisors: 1 3 9 11 27 33 99 107 297 321 349 963 1047 1177 2889 3141 3531 3839 9423 10593 11517 31779 34551 37343 103653 112029 336087 410773 1008261 1232319 3696957 11090871