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8245212 = 223687101
BaseRepresentation
bin11111011100111111011100
3120111220022020
4133130333130
54102321322
6452420140
7130040343
oct37347734
916456266
108245212
114721828
122917650
131928c31
141148b5a
15acd05c
hex7dcfdc

8245212 has 12 divisors (see below), whose sum is σ = 19238856. Its totient is φ = 2748400.

The previous prime is 8245199. The next prime is 8245217. The reversal of 8245212 is 2125428.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8245217) 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, 343539 + ... + 343562.

It is an arithmetic number, because the mean of its divisors is an integer number (1603238).

Almost surely, 28245212 is an apocalyptic number.

It is an amenable number.

8245212 is an abundant number, since it is smaller than the sum of its proper divisors (10993644).

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

8245212 is a wasteful number, since it uses less digits than its factorization.

8245212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687108 (or 687106 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 8245212 is about 2871.4477184863. The cubic root of 8245212 is about 202.0229036540.

The spelling of 8245212 in words is "eight million, two hundred forty-five thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 687101 1374202 2061303 2748404 4122606 8245212