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54150281 is a prime number
BaseRepresentation
bin1100111010010…
…0010010001001
310202220010012222
43032210102021
5102330302111
65212343425
71225161353
oct316442211
9122803188
1054150281
11286259a9
1216174b75
13b2ac4b3
1472980d3
154b497db
hex33a4489

54150281 has 2 divisors, whose sum is σ = 54150282. Its totient is φ = 54150280.

The previous prime is 54150269. The next prime is 54150301. The reversal of 54150281 is 18205145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50694400 + 3455881 = 7120^2 + 1859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54150281 is a prime.

It is a super-2 number, since 2×541502812 = 5864505864757922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54150281.

It is not a weakly prime, because it can be changed into another prime (54156281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27075140 + 27075141.

It is an arithmetic number, because the mean of its divisors is an integer number (27075141).

Almost surely, 254150281 is an apocalyptic number.

It is an amenable number.

54150281 is a deficient number, since it is larger than the sum of its proper divisors (1).

54150281 is an equidigital number, since it uses as much as digits as its factorization.

54150281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 54150281 is about 7358.6874508977. The cubic root of 54150281 is about 378.3266238964.

The spelling of 54150281 in words is "fifty-four million, one hundred fifty thousand, two hundred eighty-one".