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11985306 = 2317117503
BaseRepresentation
bin101101101110…
…000110011010
3211112220202020
4231232012122
511032012211
61104515310
7203605404
oct55560632
924486666
1011985306
116846813
12401bb36
1326383c8
14183db74
1510bb306
hexb6e19a

11985306 has 16 divisors (see below), whose sum is σ = 25380864. Its totient is φ = 3760064.

The previous prime is 11985301. The next prime is 11985307. The reversal of 11985306 is 60358911.

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 7 ways as a sum of consecutive naturals, for example, 58650 + ... + 58853.

It is an arithmetic number, because the mean of its divisors is an integer number (1586304).

Almost surely, 211985306 is an apocalyptic number.

11985306 is an abundant number, since it is smaller than the sum of its proper divisors (13395558).

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

11985306 is a wasteful number, since it uses less digits than its factorization.

11985306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117525.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 11985306 is about 3461.9800692667. The cubic root of 11985306 is about 228.8493635035.

The spelling of 11985306 in words is "eleven million, nine hundred eighty-five thousand, three hundred six".

Divisors: 1 2 3 6 17 34 51 102 117503 235006 352509 705018 1997551 3995102 5992653 11985306