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54152081 is a prime number
BaseRepresentation
bin1100111010010…
…0101110010001
310202220012200122
43032210232101
5102330331311
65212400025
71225166534
oct316445621
9122805618
1054152081
1128627295
1216176015
13b2b0269
147298a1b
154b4a0db
hex33a4b91

54152081 has 2 divisors, whose sum is σ = 54152082. Its totient is φ = 54152080.

The previous prime is 54152047. The next prime is 54152083. The reversal of 54152081 is 18025145.

54152081 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., 50481025 + 3671056 = 7105^2 + 1916^2 .

It is a cyclic number.

It is not a de Polignac number, because 54152081 - 210 = 54151057 is a prime.

It is a super-2 number, since 2×541520812 = 5864895753261122, which contains 22 as substring.

Together with 54152083, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54152081.

It is not a weakly prime, because it can be changed into another prime (54152083) 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, 27076040 + 27076041.

It is an arithmetic number, because the mean of its divisors is an integer number (27076041).

Almost surely, 254152081 is an apocalyptic number.

It is an amenable number.

54152081 is a deficient number, since it is larger than the sum of its proper divisors (1).

54152081 is an equidigital number, since it uses as much as digits as its factorization.

54152081 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 54152081 is about 7358.8097543013. The cubic root of 54152081 is about 378.3308158130.

The spelling of 54152081 in words is "fifty-four million, one hundred fifty-two thousand, eighty-one".