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12030866 = 2171073307
BaseRepresentation
bin101101111001…
…001110010010
3211122020020122
4231321032102
511034441431
61105510242
7204155261
oct55711622
924566218
1012030866
116877a71
124042382
132653073
1418525d8
1510c9a7b
hexb79392

12030866 has 16 divisors (see below), whose sum is σ = 19292256. Its totient is φ = 5606976.

The previous prime is 12030859. The next prime is 12030871. The reversal of 12030866 is 66803021.

It is an unprimeable number.

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, 1985 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (1205766).

Almost surely, 212030866 is an apocalyptic number.

12030866 is a deficient number, since it is larger than the sum of its proper divisors (7261390).

12030866 is a wasteful number, since it uses less digits than its factorization.

12030866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12030866 is about 3468.5538773385. The cubic root of 12030866 is about 229.1389735058.

Adding to 12030866 its reverse (66803021), we get a palindrome (78833887).

The spelling of 12030866 in words is "twelve million, thirty thousand, eight hundred sixty-six".

Divisors: 1 2 17 34 107 214 1819 3307 3638 6614 56219 112438 353849 707698 6015433 12030866