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11144744 = 23131011061
BaseRepresentation
bin101010100000…
…111000101000
3202222012201022
4222200320220
510323112434
61034512012
7163504652
oct52407050
922865638
1011144744
116322236
123895608
132402930
1416a16d2
15ea222e
hexaa0e28

11144744 has 32 divisors (see below), whose sum is σ = 22748040. Its totient is φ = 5088000.

The previous prime is 11144737. The next prime is 11144747. The reversal of 11144744 is 44744111.

11144744 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 4 ways, for example, as 10640644 + 504100 = 3262^2 + 710^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (11144747) 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, 9974 + ... + 11034.

Almost surely, 211144744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11144744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11374020).

11144744 is an abundant number, since it is smaller than the sum of its proper divisors (11603296).

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

11144744 is a wasteful number, since it uses less digits than its factorization.

11144744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1177 counting only the distinct ones).

The product of its digits is 1792, while the sum is 26.

The square root of 11144744 is about 3338.3744547309. The cubic root of 11144744 is about 223.3692395426.

Adding to 11144744 its reverse (44744111), we get a palindrome (55888855).

The spelling of 11144744 in words is "eleven million, one hundred forty-four thousand, seven hundred forty-four".

Divisors: 1 2 4 8 13 26 52 101 104 202 404 808 1061 1313 2122 2626 4244 5252 8488 10504 13793 27586 55172 107161 110344 214322 428644 857288 1393093 2786186 5572372 11144744