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54285149 is a prime number
BaseRepresentation
bin1100111100010…
…1001101011101
310210010222020002
43033011031131
5102344111044
65215304045
71226262512
oct317051535
9123128202
1054285149
1128708266
121621b025
13b3289b9
1472d1309
154b7474e
hex33c535d

54285149 has 2 divisors, whose sum is σ = 54285150. Its totient is φ = 54285148.

The previous prime is 54285103. The next prime is 54285157. The reversal of 54285149 is 94158245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51222649 + 3062500 = 7157^2 + 1750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54285149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54285169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27142574 + 27142575.

It is an arithmetic number, because the mean of its divisors is an integer number (27142575).

Almost surely, 254285149 is an apocalyptic number.

It is an amenable number.

54285149 is a deficient number, since it is larger than the sum of its proper divisors (1).

54285149 is an equidigital number, since it uses as much as digits as its factorization.

54285149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 38.

The square root of 54285149 is about 7367.8456145606. The cubic root of 54285149 is about 378.6404533110.

The spelling of 54285149 in words is "fifty-four million, two hundred eighty-five thousand, one hundred forty-nine".