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212412230 = 2521241223
BaseRepresentation
bin11001010100100…
…10011101000110
3112210200122210122
430222102131012
5413334142410
633024421542
75156321432
oct1452223506
9483618718
10212412230
11a99a04a8
125b1778b2
1335011b14
14202d39c2
15139abe55
hexca92746

212412230 has 8 divisors (see below), whose sum is σ = 382342032. Its totient is φ = 84964888.

The previous prime is 212412203. The next prime is 212412241. The reversal of 212412230 is 32214212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212412199 and 212412208.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 10620602 + ... + 10620621.

It is an arithmetic number, because the mean of its divisors is an integer number (47792754).

Almost surely, 2212412230 is an apocalyptic number.

212412230 is a deficient number, since it is larger than the sum of its proper divisors (169929802).

212412230 is a wasteful number, since it uses less digits than its factorization.

212412230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21241230.

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

The square root of 212412230 is about 14574.3689400262. The cubic root of 212412230 is about 596.6594262028.

Adding to 212412230 its reverse (32214212), we get a palindrome (244626442).

The spelling of 212412230 in words is "two hundred twelve million, four hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 21241223 42482446 106206115 212412230