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11804869 = 33473527
BaseRepresentation
bin101101000010…
…000011000101
3211012202020101
4231002003011
511010223434
61101004101
7202224346
oct55020305
924182211
1011804869
11673319a
123b53631
1325a423b
1417d40cd
151082b14
hexb420c5

11804869 has 4 divisors (see below), whose sum is σ = 11811744. Its totient is φ = 11797996.

The previous prime is 11804867. The next prime is 11804917. The reversal of 11804869 is 96840811.

It is a happy number.

11804869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11804869 - 21 = 11804867 is a prime.

It is a super-2 number, since 2×118048692 = 278709864214322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11804861) 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, 1584 + ... + 5110.

It is an arithmetic number, because the mean of its divisors is an integer number (2952936).

Almost surely, 211804869 is an apocalyptic number.

It is an amenable number.

11804869 is a deficient number, since it is larger than the sum of its proper divisors (6875).

11804869 is an equidigital number, since it uses as much as digits as its factorization.

11804869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6874.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 11804869 is about 3435.8214447203. The cubic root of 11804869 is about 227.6951206112.

The spelling of 11804869 in words is "eleven million, eight hundred four thousand, eight hundred sixty-nine".

Divisors: 1 3347 3527 11804869