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54027945 = 335400207
BaseRepresentation
bin1100111000011…
…0011010101001
310202122220102000
43032012122221
5102312343240
65210001213
71224141606
oct316063251
9122586360
1054027945
1128551aa4
1216116209
13b2688ca
1472656ad
154b23430
hex33866a9

54027945 has 16 divisors (see below), whose sum is σ = 96049920. Its totient is φ = 28814832.

The previous prime is 54027923. The next prime is 54027949. The reversal of 54027945 is 54972045.

54027945 is a `hidden beast` number, since 540 + 2 + 79 + 45 = 666.

54027945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54027945 - 25 = 54027913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54027949) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 199969 + ... + 200238.

It is an arithmetic number, because the mean of its divisors is an integer number (6003120).

Almost surely, 254027945 is an apocalyptic number.

It is an amenable number.

54027945 is a deficient number, since it is larger than the sum of its proper divisors (42021975).

54027945 is a wasteful number, since it uses less digits than its factorization.

54027945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400221 (or 400215 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 54027945 is about 7350.3703988303. The cubic root of 54027945 is about 378.0415046389.

The spelling of 54027945 in words is "fifty-four million, twenty-seven thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 400207 1200621 2001035 3601863 6003105 10805589 18009315 54027945