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728046 = 232113677
BaseRepresentation
bin10110001101111101110
31100222200200
42301233232
5141244141
623334330
76121404
oct2615756
91328620
10728046
11457aa0
122b13a6
131c64c7
1414d474
15e5ab6
hexb1bee

728046 has 24 divisors (see below), whose sum is σ = 1721304. Its totient is φ = 220560.

The previous prime is 728027. The next prime is 728047. The reversal of 728046 is 640827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1641 + ... + 2036.

It is an arithmetic number, because the mean of its divisors is an integer number (71721).

2728046 is an apocalyptic number.

728046 is an abundant number, since it is smaller than the sum of its proper divisors (993258).

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

728046 is a wasteful number, since it uses less digits than its factorization.

728046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696 (or 3693 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 728046 is about 853.2561162980. The cubic root of 728046 is about 89.9607236028.

It can be divided in two parts, 72 and 8046, that added together give a palindrome (8118).

The spelling of 728046 in words is "seven hundred twenty-eight thousand, forty-six".