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51728092 = 22137313627
BaseRepresentation
bin1100010101010…
…0111011011100
310121100001121021
43011110323130
5101220244332
65044413524
71165452523
oct305247334
9117301537
1051728092
1127221099
12153a72a4
13a941b50
146c274ba
15481bc97
hex3154edc

51728092 has 24 divisors (see below), whose sum is σ = 98830256. Its totient is φ = 23545728.

The previous prime is 51728077. The next prime is 51728099. The reversal of 51728092 is 29082715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51728099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3018 + ... + 10609.

Almost surely, 251728092 is an apocalyptic number.

51728092 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51728092 is a deficient number, since it is larger than the sum of its proper divisors (47102164).

51728092 is a wasteful number, since it uses less digits than its factorization.

51728092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13717 (or 13715 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 51728092 is about 7192.2244125166. The cubic root of 51728092 is about 372.5994017262.

The spelling of 51728092 in words is "fifty-one million, seven hundred twenty-eight thousand, ninety-two".

Divisors: 1 2 4 13 26 52 73 146 292 949 1898 3796 13627 27254 54508 177151 354302 708604 994771 1989542 3979084 12932023 25864046 51728092