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11808076 = 227421717
BaseRepresentation
bin101101000010…
…110101001100
3211012220122011
4231002311030
511010324301
61101031004
7202236610
oct55026514
924186564
1011808076
116735645
123b55464
1325a5837
1417d5340
151083a51
hexb42d4c

11808076 has 12 divisors (see below), whose sum is σ = 23616208. Its totient is φ = 5060592.

The previous prime is 11808067. The next prime is 11808077. The reversal of 11808076 is 67080811.

11808076 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11808077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210831 + ... + 210886.

Almost surely, 211808076 is an apocalyptic number.

It is an amenable number.

11808076 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11808076 is a wasteful number, since it uses less digits than its factorization.

11808076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421728 (or 421726 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 11808076 is about 3436.2881136482. The cubic root of 11808076 is about 227.7157378705.

Adding to 11808076 its reverse (67080811), we get a palindrome (78888887).

The spelling of 11808076 in words is "eleven million, eight hundred eight thousand, seventy-six".

Divisors: 1 2 4 7 14 28 421717 843434 1686868 2952019 5904038 11808076