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82908 = 22327247
BaseRepresentation
bin10100001111011100
311012201200
4110033130
510123113
61435500
7463500
oct241734
9135650
1082908
1157321
123bb90
132b977
1422300
1519873
hex143dc

82908 has 54 divisors (see below), whose sum is σ = 248976. Its totient is φ = 23184.

The previous prime is 82903. The next prime is 82913. The reversal of 82908 is 80928.

It is an interprime number because it is at equal distance from previous prime (82903) and next prime (82913).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82903) by changing a digit.

82908 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1741 + ... + 1787.

282908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124488).

82908 is an abundant number, since it is smaller than the sum of its proper divisors (166068).

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

82908 is a wasteful number, since it uses less digits than its factorization.

82908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 82908 is about 287.9374932168. The cubic root of 82908 is about 43.6045838684.

It can be divided in two parts, 82 and 908, that added together give a triangular number (990 = T44).

The spelling of 82908 in words is "eighty-two thousand, nine hundred eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 47 49 63 84 94 98 126 141 147 188 196 252 282 294 329 423 441 564 588 658 846 882 987 1316 1692 1764 1974 2303 2961 3948 4606 5922 6909 9212 11844 13818 20727 27636 41454 82908