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212424206 = 2791344457
BaseRepresentation
bin11001010100101…
…01011000001110
3112210201021020012
430222111120032
5413340033311
633024553222
75156401361
oct1452253016
9483637205
10212424206
11a99a94a5
125b182812
13350173c7
14202d80d8
15139b078b
hexca9560e

212424206 has 8 divisors (see below), whose sum is σ = 322669920. Its totient is φ = 104867568.

The previous prime is 212424203. The next prime is 212424227. The reversal of 212424206 is 602424212.

212424206 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212424203) 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 3 ways as a sum of consecutive naturals, for example, 672071 + ... + 672386.

It is an arithmetic number, because the mean of its divisors is an integer number (40333740).

Almost surely, 2212424206 is an apocalyptic number.

212424206 is a deficient number, since it is larger than the sum of its proper divisors (110245714).

212424206 is a wasteful number, since it uses less digits than its factorization.

212424206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344538.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 212424206 is about 14574.7797925046. The cubic root of 212424206 is about 596.6706393973.

Adding to 212424206 its reverse (602424212), we get a palindrome (814848418).

The spelling of 212424206 in words is "two hundred twelve million, four hundred twenty-four thousand, two hundred six".

Divisors: 1 2 79 158 1344457 2688914 106212103 212424206