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54274728 = 2332261447
BaseRepresentation
bin1100111100001…
…0101010101000
310210010102221010
43033002222220
5102343242403
65215143520
71226220234
oct317025250
9123112833
1054274728
1128700452
1216214ba0
13b324031
1472cb5c4
154b71603
hex33c2aa8

54274728 has 16 divisors (see below), whose sum is σ = 135686880. Its totient is φ = 18091568.

The previous prime is 54274723. The next prime is 54274739. The reversal of 54274728 is 82747245.

It is not an unprimeable number, because it can be changed into a prime (54274721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130700 + ... + 1130747.

It is an arithmetic number, because the mean of its divisors is an integer number (8480430).

Almost surely, 254274728 is an apocalyptic number.

It is an amenable number.

54274728 is an abundant number, since it is smaller than the sum of its proper divisors (81412152).

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

54274728 is a wasteful number, since it uses less digits than its factorization.

54274728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261456 (or 2261452 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The square root of 54274728 is about 7367.1383861035. The cubic root of 54274728 is about 378.6162228370.

The spelling of 54274728 in words is "fifty-four million, two hundred seventy-four thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 2261447 4522894 6784341 9045788 13568682 18091576 27137364 54274728