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11680868 = 223737829
BaseRepresentation
bin101100100011…
…110001100100
3210222110010202
4230203301210
510442241433
61054210032
7201200003
oct54436144
923873122
1011680868
116659011
123ab3918
13255c974
1417a0c3a
15105aee8
hexb23c64

11680868 has 12 divisors (see below), whose sum is σ = 20498940. Its totient is φ = 5824032.

The previous prime is 11680841. The next prime is 11680871. The reversal of 11680868 is 86808611.

It can be written as a sum of positive squares in 2 ways, for example, as 3717184 + 7963684 = 1928^2 + 2822^2 .

It is an unprimeable number.

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, 2423 + ... + 5406.

It is an arithmetic number, because the mean of its divisors is an integer number (1708245).

Almost surely, 211680868 is an apocalyptic number.

It is an amenable number.

11680868 is a deficient number, since it is larger than the sum of its proper divisors (8818072).

11680868 is a wasteful number, since it uses less digits than its factorization.

11680868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8206 (or 8204 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 11680868 is about 3417.7284854125. The cubic root of 11680868 is about 226.8950591032.

The spelling of 11680868 in words is "eleven million, six hundred eighty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 373 746 1492 7829 15658 31316 2920217 5840434 11680868