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11985968 = 245912697
BaseRepresentation
bin101101101110…
…010000110000
3211112221122202
4231232100300
511032022333
61104522332
7203610341
oct55562060
924487582
1011985968
116847265
1240203a8
1326387b7
1418400c8
1510bb5e8
hexb6e430

11985968 has 20 divisors (see below), whose sum is σ = 23618280. Its totient is φ = 5890944.

The previous prime is 11985937. The next prime is 11985971. The reversal of 11985968 is 86958911.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 5405 + ... + 7292.

It is an arithmetic number, because the mean of its divisors is an integer number (1180914).

Almost surely, 211985968 is an apocalyptic number.

It is an amenable number.

11985968 is a deficient number, since it is larger than the sum of its proper divisors (11632312).

11985968 is a wasteful number, since it uses less digits than its factorization.

11985968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12764 (or 12758 counting only the distinct ones).

The product of its digits is 155520, while the sum is 47.

The square root of 11985968 is about 3462.0756779712. The cubic root of 11985968 is about 228.8535768708.

The spelling of 11985968 in words is "eleven million, nine hundred eighty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 59 118 236 472 944 12697 25394 50788 101576 203152 749123 1498246 2996492 5992984 11985968