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212441343 = 370813781
BaseRepresentation
bin11001010100110…
…01100011111111
3112210202010201220
430222121203333
5413341110333
633025204423
75156502342
oct1452314377
9483663656
10212441343
11a9a10364
125b190713
133502214a
1420300459
15139b58b3
hexca998ff

212441343 has 4 divisors (see below), whose sum is σ = 283255128. Its totient is φ = 141627560.

The previous prime is 212441321. The next prime is 212441351. The reversal of 212441343 is 343144212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212441343 - 218 = 212179199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212441303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35406888 + ... + 35406893.

It is an arithmetic number, because the mean of its divisors is an integer number (70813782).

Almost surely, 2212441343 is an apocalyptic number.

212441343 is a deficient number, since it is larger than the sum of its proper divisors (70813785).

212441343 is an equidigital number, since it uses as much as digits as its factorization.

212441343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70813784.

The product of its digits is 2304, while the sum is 24.

The square root of 212441343 is about 14575.3676797534. The cubic root of 212441343 is about 596.6866841316.

Adding to 212441343 its reverse (343144212), we get a palindrome (555585555).

The spelling of 212441343 in words is "two hundred twelve million, four hundred forty-one thousand, three hundred forty-three".

Divisors: 1 3 70813781 212441343