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11985308 = 2213721871
BaseRepresentation
bin101101101110…
…000110011100
3211112220202022
4231232012130
511032012213
61104515312
7203605406
oct55560634
924486668
1011985308
116846815
12401bb38
1326383ca
14183db76
1510bb308
hexb6e19c

11985308 has 12 divisors (see below), whose sum is σ = 21128352. Its totient is φ = 5948640.

The previous prime is 11985307. The next prime is 11985343. The reversal of 11985308 is 80358911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11985301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10388 + ... + 11483.

It is an arithmetic number, because the mean of its divisors is an integer number (1760696).

Almost surely, 211985308 is an apocalyptic number.

It is an amenable number.

11985308 is a deficient number, since it is larger than the sum of its proper divisors (9143044).

11985308 is a wasteful number, since it uses less digits than its factorization.

11985308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22012 (or 22010 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 11985308 is about 3461.9803581187. The cubic root of 11985308 is about 228.8493762329.

The spelling of 11985308 in words is "eleven million, nine hundred eighty-five thousand, three hundred eight".

Divisors: 1 2 4 137 274 548 21871 43742 87484 2996327 5992654 11985308