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80673212 = 2220168303
BaseRepresentation
bin1001100111011…
…11100110111100
312121210121211202
410303233212330
5131123020322
612001035032
71666465604
oct463574674
9177717752
1080673212
11415a0a84
1223025a78
1313937939
14a9ddc04
157138292
hex4cef9bc

80673212 has 6 divisors (see below), whose sum is σ = 141178128. Its totient is φ = 40336604.

The previous prime is 80673193. The next prime is 80673217. The reversal of 80673212 is 21237608.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80673217) 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 as a sum of consecutive naturals, namely, 10084148 + ... + 10084155.

It is an arithmetic number, because the mean of its divisors is an integer number (23529688).

Almost surely, 280673212 is an apocalyptic number.

It is an amenable number.

80673212 is a deficient number, since it is larger than the sum of its proper divisors (60504916).

80673212 is a wasteful number, since it uses less digits than its factorization.

80673212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20168307 (or 20168305 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 80673212 is about 8981.8267629698. The cubic root of 80673212 is about 432.0922228236.

The spelling of 80673212 in words is "eighty million, six hundred seventy-three thousand, two hundred twelve".

Divisors: 1 2 4 20168303 40336606 80673212