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54728 = 236841
BaseRepresentation
bin1101010111001000
32210001222
431113020
53222403
61101212
7315362
oct152710
983058
1054728
1138133
1227808
131bbab
1415d32
1511338
hexd5c8

54728 has 8 divisors (see below), whose sum is σ = 102630. Its totient is φ = 27360.

The previous prime is 54727. The next prime is 54751. The reversal of 54728 is 82745.

54728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 40804 + 13924 = 202^2 + 118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 54697 and 54706.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 54728.

It is not an unprimeable number, because it can be changed into a prime (54721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3413 + ... + 3428.

254728 is an apocalyptic number.

It is an amenable number.

54728 is a deficient number, since it is larger than the sum of its proper divisors (47902).

54728 is a wasteful number, since it uses less digits than its factorization.

54728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6847 (or 6843 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 54728 is about 233.9401632897. The cubic root of 54728 is about 37.9667298823.

It can be divided in two parts, 547 and 28, that added together give a palindrome (575).

The spelling of 54728 in words is "fifty-four thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 6841 13682 27364 54728