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11440819 = 132930347
BaseRepresentation
bin101011101001…
…001010110011
3210112020212001
4223221022303
510412101234
61045114431
7166150105
oct53511263
923466761
1011440819
116504725
1239b8a17
1324a7620
14173b575
15100ed14
hexae92b3

11440819 has 8 divisors (see below), whose sum is σ = 12746160. Its totient is φ = 10196256.

The previous prime is 11440811. The next prime is 11440823. The reversal of 11440819 is 91804411.

11440819 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 a cyclic number.

It is not a de Polignac number, because 11440819 - 23 = 11440811 is a prime.

It is a super-2 number, since 2×114408192 = 261784678781522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11440811) 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, 14797 + ... + 15550.

It is an arithmetic number, because the mean of its divisors is an integer number (1593270).

Almost surely, 211440819 is an apocalyptic number.

11440819 is a deficient number, since it is larger than the sum of its proper divisors (1305341).

11440819 is a wasteful number, since it uses less digits than its factorization.

11440819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30389.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 11440819 is about 3382.4279741038. The cubic root of 11440819 is about 225.3300112037.

The spelling of 11440819 in words is "eleven million, four hundred forty thousand, eight hundred nineteen".

Divisors: 1 13 29 377 30347 394511 880063 11440819