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11984169 = 33994723
BaseRepresentation
bin101101101101…
…110100101001
3211112212012010
4231231310221
511031443134
61104510133
7203602161
oct55556451
924485163
1011984169
11684597a
12401b349
132637a32
14183d5a1
1510bace9
hexb6dd29

11984169 has 4 divisors (see below), whose sum is σ = 15978896. Its totient is φ = 7989444.

The previous prime is 11984149. The next prime is 11984171. The reversal of 11984169 is 96148911.

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 not a de Polignac number, because 11984169 - 216 = 11918633 is a prime.

It is a super-2 number, since 2×119841692 = 287240613241122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11984129) 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, 1997359 + ... + 1997364.

It is an arithmetic number, because the mean of its divisors is an integer number (3994724).

Almost surely, 211984169 is an apocalyptic number.

It is an amenable number.

11984169 is a deficient number, since it is larger than the sum of its proper divisors (3994727).

11984169 is an equidigital number, since it uses as much as digits as its factorization.

11984169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994726.

The product of its digits is 15552, while the sum is 39.

The square root of 11984169 is about 3461.8158529881. The cubic root of 11984169 is about 228.8421265876.

The spelling of 11984169 in words is "eleven million, nine hundred eighty-four thousand, one hundred sixty-nine".

Divisors: 1 3 3994723 11984169