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54430249 is a prime number
BaseRepresentation
bin1100111110100…
…0101000101001
310210102100021011
43033220220221
5102413231444
65222343521
71230435526
oct317505051
9123370234
1054430249
11287a7285
121628aba1
13b379a63
14732c14d
154ba2734
hex33e8a29

54430249 has 2 divisors, whose sum is σ = 54430250. Its totient is φ = 54430248.

The previous prime is 54430241. The next prime is 54430253. The reversal of 54430249 is 94203445.

It is a happy number.

54430249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37124649 + 17305600 = 6093^2 + 4160^2 .

It is a cyclic number.

It is not a de Polignac number, because 54430249 - 23 = 54430241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54430249.

It is not a weakly prime, because it can be changed into another prime (54430241) 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, 27215124 + 27215125.

It is an arithmetic number, because the mean of its divisors is an integer number (27215125).

Almost surely, 254430249 is an apocalyptic number.

It is an amenable number.

54430249 is a deficient number, since it is larger than the sum of its proper divisors (1).

54430249 is an equidigital number, since it uses as much as digits as its factorization.

54430249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 54430249 is about 7377.6858837985. The cubic root of 54430249 is about 378.9775120498.

The spelling of 54430249 in words is "fifty-four million, four hundred thirty thousand, two hundred forty-nine".