Search a number
-
+
11213124 = 2231371879
BaseRepresentation
bin101010110001…
…100101000100
3210002200111220
4222301211010
510332304444
61040200340
7164211216
oct52614504
923080456
1011213124
11636964a
1239090b0
132427ab0
1416bc5b6
15eb7619
hexab1944

11213124 has 24 divisors (see below), whose sum is σ = 28176960. Its totient is φ = 3450144.

The previous prime is 11213123. The next prime is 11213129. The reversal of 11213124 is 42131211.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11213123) 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, 35784 + ... + 36095.

It is an arithmetic number, because the mean of its divisors is an integer number (1174040).

Almost surely, 211213124 is an apocalyptic number.

It is an amenable number.

11213124 is an abundant number, since it is smaller than the sum of its proper divisors (16963836).

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

11213124 is a wasteful number, since it uses less digits than its factorization.

11213124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71899 (or 71897 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 11213124 is about 3348.6003046049. The cubic root of 11213124 is about 223.8251452187.

Adding to 11213124 its reverse (42131211), we get a palindrome (53344335).

The spelling of 11213124 in words is "eleven million, two hundred thirteen thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 71879 143758 215637 287516 431274 862548 934427 1868854 2803281 3737708 5606562 11213124