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28283082 = 2343110937
BaseRepresentation
bin110101111100…
…1000011001010
31222012221002120
41223321003022
524220024312
62450112110
7462254652
oct153710312
958187076
1028283082
1114a68553
12957b636
135b23669
143a83362
15273a28c
hex1af90ca

28283082 has 16 divisors (see below), whose sum is σ = 56702592. Its totient is φ = 9404960.

The previous prime is 28283041. The next prime is 28283083. The reversal of 28283082 is 28038282.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28283083) 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 7 ways as a sum of consecutive naturals, for example, 2883 + ... + 8054.

It is an arithmetic number, because the mean of its divisors is an integer number (3543912).

Almost surely, 228283082 is an apocalyptic number.

28283082 is an abundant number, since it is smaller than the sum of its proper divisors (28419510).

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

28283082 is a wasteful number, since it uses less digits than its factorization.

28283082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11373.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 28283082 is about 5318.1840885776. The cubic root of 28283082 is about 304.6788054692.

The spelling of 28283082 in words is "twenty-eight million, two hundred eighty-three thousand, eighty-two".

Divisors: 1 2 3 6 431 862 1293 2586 10937 21874 32811 65622 4713847 9427694 14141541 28283082