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11320009 = 103109903
BaseRepresentation
bin101011001011…
…101011001001
3210022010010121
4223023223021
510344220014
61042343241
7165134641
oct53135311
923263117
1011320009
116431988
12395ab21
13246463c
141709521
15ed9124
hexacbac9

11320009 has 4 divisors (see below), whose sum is σ = 11430016. Its totient is φ = 11210004.

The previous prime is 11320007. The next prime is 11320013. The reversal of 11320009 is 90002311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11320009 - 21 = 11320007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11319974 and 11320001.

It is not an unprimeable number, because it can be changed into a prime (11320003) 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 3 ways as a sum of consecutive naturals, for example, 54849 + ... + 55054.

It is an arithmetic number, because the mean of its divisors is an integer number (2857504).

Almost surely, 211320009 is an apocalyptic number.

It is an amenable number.

11320009 is a deficient number, since it is larger than the sum of its proper divisors (110007).

11320009 is a wasteful number, since it uses less digits than its factorization.

11320009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110006.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 11320009 is about 3364.5221057380. The cubic root of 11320009 is about 224.5340745200.

The spelling of 11320009 in words is "eleven million, three hundred twenty thousand, nine".

Divisors: 1 103 109903 11320009