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79893 = 3311269
BaseRepresentation
bin10011100000010101
311001121000
4103200111
510024033
61413513
7451632
oct234025
9131530
1079893
1155030
123a299
132a498
1421189
1518a13
hex13815

79893 has 16 divisors (see below), whose sum is σ = 129600. Its totient is φ = 48240.

The previous prime is 79889. The next prime is 79901. The reversal of 79893 is 39897.

It is not a de Polignac number, because 79893 - 22 = 79889 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163 + ... + 431.

It is an arithmetic number, because the mean of its divisors is an integer number (8100).

279893 is an apocalyptic number.

It is an amenable number.

79893 is a deficient number, since it is larger than the sum of its proper divisors (49707).

79893 is a wasteful number, since it uses less digits than its factorization.

79893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 283 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 79893 is about 282.6534981209. The cubic root of 79893 is about 43.0694748537.

The spelling of 79893 in words is "seventy-nine thousand, eight hundred ninety-three".

Divisors: 1 3 9 11 27 33 99 269 297 807 2421 2959 7263 8877 26631 79893