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212432024 = 2373793429
BaseRepresentation
bin11001010100101…
…11010010011000
3112210201122221202
430222113102120
5413340311044
633025053332
75156433230
oct1452272230
9483648852
10212432024
11a9a04362
125b187248
133501ab2c
14202dacc0
15139b2c4e
hexca97498

212432024 has 16 divisors (see below), whose sum is σ = 455211600. Its totient is φ = 91042272.

The previous prime is 212432021. The next prime is 212432039. The reversal of 212432024 is 420234212.

It is a junction number, because it is equal to n+sod(n) for n = 212431987 and 212432005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212432021) 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, 1896659 + ... + 1896770.

It is an arithmetic number, because the mean of its divisors is an integer number (28450725).

Almost surely, 2212432024 is an apocalyptic number.

It is an amenable number.

212432024 is an abundant number, since it is smaller than the sum of its proper divisors (242779576).

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

212432024 is a wasteful number, since it uses less digits than its factorization.

212432024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793442 (or 3793438 counting only the distinct ones).

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

The square root of 212432024 is about 14575.0479930599. The cubic root of 212432024 is about 596.6779592063.

Adding to 212432024 its reverse (420234212), we get a palindrome (632666236).

The spelling of 212432024 in words is "two hundred twelve million, four hundred thirty-two thousand, twenty-four".

Divisors: 1 2 4 7 8 14 28 56 3793429 7586858 15173716 26554003 30347432 53108006 106216012 212432024