Search a number
-
+
11530788 = 2237313163
BaseRepresentation
bin101011111111…
…001000100100
3210200211021020
4223333020210
510422441123
61051051140
7200003313
oct53771044
923624236
1011530788
116566285
123a40ab0
132509569
14176227a
15102b7e3
hexaff224

11530788 has 24 divisors (see below), whose sum is σ = 27275808. Its totient is φ = 3790656.

The previous prime is 11530781. The next prime is 11530789. The reversal of 11530788 is 88703511.

It is not an unprimeable number, because it can be changed into a prime (11530781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5706 + ... + 7457.

It is an arithmetic number, because the mean of its divisors is an integer number (1136492).

Almost surely, 211530788 is an apocalyptic number.

It is an amenable number.

11530788 is an abundant number, since it is smaller than the sum of its proper divisors (15745020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11530788 is a wasteful number, since it uses less digits than its factorization.

11530788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13243 (or 13241 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 11530788 is about 3395.7014003001. The cubic root of 11530788 is about 225.9191242188.

It can be divided in two parts, 115 and 30788, that added together give a palindrome (30903).

The spelling of 11530788 in words is "eleven million, five hundred thirty thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 13163 26326 39489 52652 78978 157956 960899 1921798 2882697 3843596 5765394 11530788