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38430569 is a prime number
BaseRepresentation
bin1001001010011…
…0011101101001
32200022110211102
42102212131221
534314234234
63451411145
7644440322
oct222463551
980273742
1038430569
111a769501
1210a53ab5
137c673a8
145165449
153591c7e
hex24a6769

38430569 has 2 divisors, whose sum is σ = 38430570. Its totient is φ = 38430568.

The previous prime is 38430547. The next prime is 38430593. The reversal of 38430569 is 96503483.

38430569 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., 35581225 + 2849344 = 5965^2 + 1688^2 .

It is an emirp because it is prime and its reverse (96503483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38430569 - 28 = 38430313 is a prime.

It is a super-2 number, since 2×384305692 = 2953817267327522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (38435569) 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, 19215284 + 19215285.

It is an arithmetic number, because the mean of its divisors is an integer number (19215285).

Almost surely, 238430569 is an apocalyptic number.

It is an amenable number.

38430569 is a deficient number, since it is larger than the sum of its proper divisors (1).

38430569 is an equidigital number, since it uses as much as digits as its factorization.

38430569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 38430569 is about 6199.2393888283. The cubic root of 38430569 is about 337.4625663100.

The spelling of 38430569 in words is "thirty-eight million, four hundred thirty thousand, five hundred sixty-nine".