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212344022 = 21110699029
BaseRepresentation
bin11001010100000…
…01110011010110
3112210120012020102
430222001303112
5413330002042
633023134102
75155615532
oct1452016326
9483505212
10212344022
11a9954230
125b144332
1334cb9a67
14202b6bc2
1513996b32
hexca81cd6

212344022 has 16 divisors (see below), whose sum is σ = 347835600. Its totient is φ = 96419040.

The previous prime is 212344001. The next prime is 212344081. The reversal of 212344022 is 220443212.

212344022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212343985 and 212344003.

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 7 ways as a sum of consecutive naturals, for example, 19004 + ... + 28032.

It is an arithmetic number, because the mean of its divisors is an integer number (21739725).

Almost surely, 2212344022 is an apocalyptic number.

212344022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212344022 is a deficient number, since it is larger than the sum of its proper divisors (135491578).

212344022 is a wasteful number, since it uses less digits than its factorization.

212344022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 212344022 is about 14572.0287537460. The cubic root of 212344022 is about 596.5955546404.

Adding to 212344022 its reverse (220443212), we get a palindrome (432787234).

The spelling of 212344022 in words is "two hundred twelve million, three hundred forty-four thousand, twenty-two".

Divisors: 1 2 11 22 1069 2138 9029 11759 18058 23518 99319 198638 9652001 19304002 106172011 212344022