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212043324 = 22317670277
BaseRepresentation
bin11001010001110…
…00011000111100
3112202222220202110
430220320120330
5413240341244
633012454020
75153224053
oct1450703074
9482886673
10212043324
11a9769319
125b01a310
1334c12c2c
142023939a
15139379b9
hexca3863c

212043324 has 12 divisors (see below), whose sum is σ = 494767784. Its totient is φ = 70681104.

The previous prime is 212043323. The next prime is 212043343. The reversal of 212043324 is 423340212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 212043324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212043323) 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, 8835127 + ... + 8835150.

Almost surely, 2212043324 is an apocalyptic number.

It is an amenable number.

212043324 is an abundant number, since it is smaller than the sum of its proper divisors (282724460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212043324 is a wasteful number, since it uses less digits than its factorization.

212043324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17670284 (or 17670282 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 212043324 is about 14561.7074548282. The cubic root of 212043324 is about 596.3138108379.

Adding to 212043324 its reverse (423340212), we get a palindrome (635383536).

The spelling of 212043324 in words is "two hundred twelve million, forty-three thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 17670277 35340554 53010831 70681108 106021662 212043324