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53728300 = 22522997191
BaseRepresentation
bin1100110011110…
…1010000101100
310202002200101001
43030331100230
5102223301200
65155330044
71221453163
oct314752054
9122080331
1053728300
112836795a
1215bb0924
13b1923c2
1471c83da
154ab476a
hex333d42c

53728300 has 72 divisors (see below), whose sum is σ = 122492160. Its totient is φ = 20428800.

The previous prime is 53728261. The next prime is 53728331. The reversal of 53728300 is 382735.

53728300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 281205 + ... + 281395.

It is an arithmetic number, because the mean of its divisors is an integer number (1701280).

Almost surely, 253728300 is an apocalyptic number.

53728300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53728300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61246080).

53728300 is an abundant number, since it is smaller than the sum of its proper divisors (68763860).

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

53728300 is a wasteful number, since it uses less digits than its factorization.

53728300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 53728300 is about 7329.9590721913. The cubic root of 53728300 is about 377.3413218462.

The spelling of 53728300 in words is "fifty-three million, seven hundred twenty-eight thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 97 100 116 145 191 194 290 382 388 485 580 725 764 955 970 1450 1910 1940 2425 2813 2900 3820 4775 4850 5539 5626 9550 9700 11078 11252 14065 18527 19100 22156 27695 28130 37054 55390 56260 70325 74108 92635 110780 138475 140650 185270 276950 281300 370540 463175 537283 553900 926350 1074566 1852700 2149132 2686415 5372830 10745660 13432075 26864150 53728300