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212230214 = 2716978933
BaseRepresentation
bin11001010011001…
…10000001000110
3112210100102010022
430221212001012
5413312331324
633020455142
75154632660
oct1451460106
9483312108
10212230214
11a9886779
125b0aa4b2
1334c7a011
1420287530
151397305e
hexca66046

212230214 has 16 divisors (see below), whose sum is σ = 364078368. Its totient is φ = 90892032.

The previous prime is 212230211. The next prime is 212230237. The reversal of 212230214 is 412032212.

It is a junction number, because it is equal to n+sod(n) for n = 212230192 and 212230201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212230211) 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 7 ways as a sum of consecutive naturals, for example, 19292 + ... + 28224.

It is an arithmetic number, because the mean of its divisors is an integer number (22754898).

Almost surely, 2212230214 is an apocalyptic number.

212230214 is a deficient number, since it is larger than the sum of its proper divisors (151848154).

212230214 is a wasteful number, since it uses less digits than its factorization.

212230214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10639.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 212230214 is about 14568.1232147453. The cubic root of 212230214 is about 596.4889517169.

Adding to 212230214 its reverse (412032212), we get a palindrome (624262426).

The spelling of 212230214 in words is "two hundred twelve million, two hundred thirty thousand, two hundred fourteen".

Divisors: 1 2 7 14 1697 3394 8933 11879 17866 23758 62531 125062 15159301 30318602 106115107 212230214