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12030214 = 27472389
BaseRepresentation
bin101101111001…
…000100000110
3211122012100111
4231321010012
511034431324
61105503234
7204153340
oct55710406
924565314
1012030214
116877529
124041b1a
132652991
141852290
1510c9794
hexb79106

12030214 has 24 divisors (see below), whose sum is σ = 21125520. Its totient is φ = 5033136.

The previous prime is 12030209. The next prime is 12030223. The reversal of 12030214 is 41203021.

It is a junction number, because it is equal to n+sod(n) for n = 12030194 and 12030203.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 30732 + ... + 31120.

It is an arithmetic number, because the mean of its divisors is an integer number (880230).

Almost surely, 212030214 is an apocalyptic number.

12030214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12030214 is a deficient number, since it is larger than the sum of its proper divisors (9095306).

12030214 is an equidigital number, since it uses as much as digits as its factorization.

12030214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12030214 is about 3468.4598887691. The cubic root of 12030214 is about 229.1348341166.

Adding to 12030214 its reverse (41203021), we get a palindrome (53233235).

The spelling of 12030214 in words is "twelve million, thirty thousand, two hundred fourteen".

Divisors: 1 2 7 14 47 94 329 389 658 778 2209 2723 4418 5446 15463 18283 30926 36566 127981 255962 859301 1718602 6015107 12030214