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54382729 is a prime number
BaseRepresentation
bin1100111101110…
…1000010001001
310210022221002011
43033131002021
5102410221404
65221335521
71230150142
oct317350211
9123287064
1054382729
1128774605
12162675a1
13b36123b
147318ac9
154b93604
hex33dd089

54382729 has 2 divisors, whose sum is σ = 54382730. Its totient is φ = 54382728.

The previous prime is 54382703. The next prime is 54382771. The reversal of 54382729 is 92728345.

54382729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48622729 + 5760000 = 6973^2 + 2400^2 .

It is a cyclic number.

It is not a de Polignac number, because 54382729 - 25 = 54382697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54382691 and 54382700.

It is not a weakly prime, because it can be changed into another prime (54382789) 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 as a sum of consecutive naturals, namely, 27191364 + 27191365.

It is an arithmetic number, because the mean of its divisors is an integer number (27191365).

Almost surely, 254382729 is an apocalyptic number.

It is an amenable number.

54382729 is a deficient number, since it is larger than the sum of its proper divisors (1).

54382729 is an equidigital number, since it uses as much as digits as its factorization.

54382729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 54382729 is about 7374.4646585362. The cubic root of 54382729 is about 378.8671919298.

The spelling of 54382729 in words is "fifty-four million, three hundred eighty-two thousand, seven hundred twenty-nine".