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82992 = 24371319
BaseRepresentation
bin10100010000110000
311012211210
4110100300
510123432
61440120
7463650
oct242060
9135753
1082992
1157398
1240040
132ba10
1422360
15198cc
hex14430

82992 has 80 divisors (see below), whose sum is σ = 277760. Its totient is φ = 20736.

The previous prime is 82981. The next prime is 82997. The reversal of 82992 is 29928.

82992 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is not an unprimeable number, because it can be changed into a prime (82997) by changing a digit.

82992 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4359 + ... + 4377.

It is an arithmetic number, because the mean of its divisors is an integer number (3472).

282992 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 82992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138880).

82992 is an abundant number, since it is smaller than the sum of its proper divisors (194768).

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

82992 is a wasteful number, since it uses less digits than its factorization.

82992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50 (or 44 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 82992 is about 288.0833212805. The cubic root of 82992 is about 43.6193052010.

The spelling of 82992 in words is "eighty-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 19 21 24 26 28 38 39 42 48 52 56 57 76 78 84 91 104 112 114 133 152 156 168 182 208 228 247 266 273 304 312 336 364 399 456 494 532 546 624 728 741 798 912 988 1064 1092 1456 1482 1596 1729 1976 2128 2184 2964 3192 3458 3952 4368 5187 5928 6384 6916 10374 11856 13832 20748 27664 41496 82992