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212024244 = 22317668687
BaseRepresentation
bin11001010001100…
…11101110110100
3112202221221120210
430220303232310
5413234233434
633012225420
75153114325
oct1450635664
9482857523
10212024244
11a9755a53
125b00b270
1334c07343
142023244c
1513931ee9
hexca33bb4

212024244 has 12 divisors (see below), whose sum is σ = 494723264. Its totient is φ = 70674744.

The previous prime is 212024237. The next prime is 212024251. The reversal of 212024244 is 442420212.

It is an interprime number because it is at equal distance from previous prime (212024237) and next prime (212024251).

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 212024244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8834332 + ... + 8834355.

Almost surely, 2212024244 is an apocalyptic number.

It is an amenable number.

212024244 is an abundant number, since it is smaller than the sum of its proper divisors (282699020).

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

212024244 is a wasteful number, since it uses less digits than its factorization.

212024244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17668694 (or 17668692 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 212024244 is about 14561.0522971384. The cubic root of 212024244 is about 596.2959245422.

Adding to 212024244 its reverse (442420212), we get a palindrome (654444456).

The spelling of 212024244 in words is "two hundred twelve million, twenty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 17668687 35337374 53006061 70674748 106012122 212024244