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11323109 = 78319489
BaseRepresentation
bin101011001100…
…011011100101
3210022021101102
4223030123211
510344314414
61042405445
7165146660
oct53143345
923267342
1011323109
116434246
123960885
132465b85
14170a6d7
15ed9ede
hexacc6e5

11323109 has 8 divisors (see below), whose sum is σ = 13097280. Its totient is φ = 9588096.

The previous prime is 11323097. The next prime is 11323111. The reversal of 11323109 is 90132311.

11323109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11323109 - 28 = 11322853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323409) 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 7 ways as a sum of consecutive naturals, for example, 9164 + ... + 10325.

It is an arithmetic number, because the mean of its divisors is an integer number (1637160).

Almost surely, 211323109 is an apocalyptic number.

It is an amenable number.

11323109 is a deficient number, since it is larger than the sum of its proper divisors (1774171).

11323109 is an equidigital number, since it uses as much as digits as its factorization.

11323109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19579.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 11323109 is about 3364.9827637003. The cubic root of 11323109 is about 224.5545689708.

The spelling of 11323109 in words is "eleven million, three hundred twenty-three thousand, one hundred nine".

Divisors: 1 7 83 581 19489 136423 1617587 11323109