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82663 = 73241
BaseRepresentation
bin10100001011100111
311012101121
4110023213
510121123
61434411
7463000
oct241347
9135347
1082663
1157119
123ba07
132b819
14221a7
151975d
hex142e7

82663 has 8 divisors (see below), whose sum is σ = 96800. Its totient is φ = 70560.

The previous prime is 82657. The next prime is 82699. The reversal of 82663 is 36628.

It is not a de Polignac number, because 82663 - 213 = 74471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 82663.

It is not an unprimeable number, because it can be changed into a prime (82613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223 + ... + 463.

It is an arithmetic number, because the mean of its divisors is an integer number (12100).

282663 is an apocalyptic number.

82663 is a deficient number, since it is larger than the sum of its proper divisors (14137).

82663 is an equidigital number, since it uses as much as digits as its factorization.

82663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 248 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 82663 is about 287.5117388908. The cubic root of 82663 is about 43.5615897724.

The spelling of 82663 in words is "eighty-two thousand, six hundred sixty-three".

Divisors: 1 7 49 241 343 1687 11809 82663