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728082 = 23397139
BaseRepresentation
bin10110001110000010010
31100222202000
42301300102
5141244312
623334430
76121455
oct2616022
91328660
10728082
11458023
122b1416
131c6524
1414d49c
15e5adc
hexb1c12

728082 has 32 divisors (see below), whose sum is σ = 1646400. Its totient is φ = 238464.

The previous prime is 728069. The next prime is 728087. The reversal of 728082 is 280827.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 728082.

It is not an unprimeable number, because it can be changed into a prime (728087) by changing a digit.

728082 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 15 ways as a sum of consecutive naturals, for example, 5169 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (51450).

2728082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823200).

728082 is an abundant number, since it is smaller than the sum of its proper divisors (918318).

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

728082 is a wasteful number, since it uses less digits than its factorization.

728082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 728082 is about 853.2772116962. The cubic root of 728082 is about 89.9622063538.

The spelling of 728082 in words is "seven hundred twenty-eight thousand, eighty-two".

Divisors: 1 2 3 6 9 18 27 54 97 139 194 278 291 417 582 834 873 1251 1746 2502 2619 3753 5238 7506 13483 26966 40449 80898 121347 242694 364041 728082