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11820208 = 243472129
BaseRepresentation
bin101101000101…
…110010110000
3211020112021111
4231011302300
511011221313
61101203104
7202320151
oct55056260
924215244
1011820208
116743774
123b60494
1325ab20a
1417d9928
15108743d
hexb45cb0

11820208 has 20 divisors (see below), whose sum is σ = 22978440. Its totient is φ = 5890304.

The previous prime is 11820203. The next prime is 11820209. The reversal of 11820208 is 80202811.

It is not an unprimeable number, because it can be changed into a prime (11820203) 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, 4488 + ... + 6616.

It is an arithmetic number, because the mean of its divisors is an integer number (1148922).

Almost surely, 211820208 is an apocalyptic number.

It is an amenable number.

11820208 is a deficient number, since it is larger than the sum of its proper divisors (11158232).

11820208 is a wasteful number, since it uses less digits than its factorization.

11820208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484 (or 2478 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 11820208 is about 3438.0529373470. The cubic root of 11820208 is about 227.7936986867.

The spelling of 11820208 in words is "eleven million, eight hundred twenty thousand, two hundred eight".

Divisors: 1 2 4 8 16 347 694 1388 2129 2776 4258 5552 8516 17032 34064 738763 1477526 2955052 5910104 11820208