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54252728 = 2331218761
BaseRepresentation
bin1100111011110…
…1010010111000
310210002022202022
43032331102320
5102342041403
65214454012
71226066135
oct316752270
9123068668
1054252728
1128695972
1216204308
13b31700a
1472c358c
154b69d38
hex33bd4b8

54252728 has 16 divisors (see below), whose sum is σ = 105005760. Its totient is φ = 26251200.

The previous prime is 54252719. The next prime is 54252743. The reversal of 54252728 is 82725245.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109133 + ... + 109628.

It is an arithmetic number, because the mean of its divisors is an integer number (6562860).

Almost surely, 254252728 is an apocalyptic number.

It is an amenable number.

54252728 is a deficient number, since it is larger than the sum of its proper divisors (50753032).

54252728 is a wasteful number, since it uses less digits than its factorization.

54252728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218798 (or 218794 counting only the distinct ones).

The product of its digits is 44800, while the sum is 35.

The square root of 54252728 is about 7365.6451177069. The cubic root of 54252728 is about 378.5650591683.

The spelling of 54252728 in words is "fifty-four million, two hundred fifty-two thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 31 62 124 248 218761 437522 875044 1750088 6781591 13563182 27126364 54252728