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11143124 = 222785781
BaseRepresentation
bin101010100000…
…011111010100
3202222010111022
4222200133110
510323034444
61034500312
7163500146
oct52403724
922863438
1011143124
116320aa3
123894698
132401c85
1416a0c96
15ea19ee
hexaa07d4

11143124 has 6 divisors (see below), whose sum is σ = 19500474. Its totient is φ = 5571560.

The previous prime is 11143123. The next prime is 11143127. The reversal of 11143124 is 42134111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10627600 + 515524 = 3260^2 + 718^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392887 + ... + 1392894.

It is an arithmetic number, because the mean of its divisors is an integer number (3250079).

Almost surely, 211143124 is an apocalyptic number.

It is an amenable number.

11143124 is a deficient number, since it is larger than the sum of its proper divisors (8357350).

11143124 is a wasteful number, since it uses less digits than its factorization.

11143124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785785 (or 2785783 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 11143124 is about 3338.1318128558. The cubic root of 11143124 is about 223.3584160339.

Adding to 11143124 its reverse (42134111), we get a palindrome (53277235).

The spelling of 11143124 in words is "eleven million, one hundred forty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 2785781 5571562 11143124