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82020732 = 2236835061
BaseRepresentation
bin1001110001110…
…00100101111100
312201100002021220
410320320211330
5131444130412
612045553340
72014110333
oct470704574
9181302256
1082020732
1142331432
1223575850
1313cba0a1
14ac70d1a
15730268c
hex4e3897c

82020732 has 12 divisors (see below), whose sum is σ = 191381736. Its totient is φ = 27340240.

The previous prime is 82020727. The next prime is 82020773. The reversal of 82020732 is 23702028.

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

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, 3417519 + ... + 3417542.

It is an arithmetic number, because the mean of its divisors is an integer number (15948478).

Almost surely, 282020732 is an apocalyptic number.

It is an amenable number.

82020732 is an abundant number, since it is smaller than the sum of its proper divisors (109361004).

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

82020732 is a wasteful number, since it uses less digits than its factorization.

82020732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6835068 (or 6835066 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 82020732 is about 9056.5297989903. The cubic root of 82020732 is about 434.4847592275.

The spelling of 82020732 in words is "eighty-two million, twenty thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 6835061 13670122 20505183 27340244 41010366 82020732