Search a number
-
+
11431122 = 2319197509
BaseRepresentation
bin101011100110…
…110011010010
3210111202112220
4223212303102
510411243442
61045001510
7166106613
oct53466322
923452486
1011431122
1164a840a
1239b3296
1324a30a1
141737c0a
15100beec
hexae6cd2

11431122 has 32 divisors (see below), whose sum is σ = 24235200. Its totient is φ = 3584448.

The previous prime is 11431111. The next prime is 11431129. The reversal of 11431122 is 22113411.

It is not an unprimeable number, because it can be changed into a prime (11431129) 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 15 ways as a sum of consecutive naturals, for example, 22204 + ... + 22712.

It is an arithmetic number, because the mean of its divisors is an integer number (757350).

Almost surely, 211431122 is an apocalyptic number.

11431122 is an abundant number, since it is smaller than the sum of its proper divisors (12804078).

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

11431122 is a wasteful number, since it uses less digits than its factorization.

11431122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730.

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

The square root of 11431122 is about 3380.9942324707. The cubic root of 11431122 is about 225.2663315337.

Adding to 11431122 its reverse (22113411), we get a palindrome (33544533).

The spelling of 11431122 in words is "eleven million, four hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 197 394 509 591 1018 1182 1527 3054 3743 7486 9671 11229 19342 22458 29013 58026 100273 200546 300819 601638 1905187 3810374 5715561 11431122