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11241143 = 27974019
BaseRepresentation
bin101010111000…
…011010110111
3210011002221122
4222320122313
510334204033
61040534155
7164356004
oct52703267
923132848
1011241143
116388701
12392135b
132437784
1416c88ab
15ec0a98
hexab86b7

11241143 has 4 divisors (see below), whose sum is σ = 11247960. Its totient is φ = 11234328.

The previous prime is 11241133. The next prime is 11241149. The reversal of 11241143 is 34114211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34114211 = 325310487.

It is a cyclic number.

It is not a de Polignac number, because 11241143 - 26 = 11241079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11241149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788 + ... + 4806.

It is an arithmetic number, because the mean of its divisors is an integer number (2811990).

Almost surely, 211241143 is an apocalyptic number.

11241143 is a deficient number, since it is larger than the sum of its proper divisors (6817).

11241143 is an equidigital number, since it uses as much as digits as its factorization.

11241143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6816.

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

The square root of 11241143 is about 3352.7813826732. The cubic root of 11241143 is about 224.0114192201.

Adding to 11241143 its reverse (34114211), we get a palindrome (45355354).

The spelling of 11241143 in words is "eleven million, two hundred forty-one thousand, one hundred forty-three".

Divisors: 1 2797 4019 11241143