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11243011 = 134718401
BaseRepresentation
bin101010111000…
…111000000011
3210011012111211
4222320320003
510334234021
61040550551
7164364313
oct52707003
923135454
1011243011
11638a04a
123922457
132438590
1416c9443
15ec13e1
hexab8e03

11243011 has 8 divisors (see below), whose sum is σ = 12366144. Its totient is φ = 10156800.

The previous prime is 11243009. The next prime is 11243047. The reversal of 11243011 is 11034211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11243011 - 21 = 11243009 is a prime.

It is a super-2 number, since 2×112430112 = 252810592692242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11242982 and 11243000.

It is not an unprimeable number, because it can be changed into a prime (11243051) 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 in 7 ways as a sum of consecutive naturals, for example, 8590 + ... + 9811.

It is an arithmetic number, because the mean of its divisors is an integer number (1545768).

Almost surely, 211243011 is an apocalyptic number.

11243011 is a deficient number, since it is larger than the sum of its proper divisors (1123133).

11243011 is a wasteful number, since it uses less digits than its factorization.

11243011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18461.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11243011 is about 3353.0599457809. The cubic root of 11243011 is about 224.0238269191.

Adding to 11243011 its reverse (11034211), we get a palindrome (22277222).

The spelling of 11243011 in words is "eleven million, two hundred forty-three thousand, eleven".

Divisors: 1 13 47 611 18401 239213 864847 11243011