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38085893 is a prime number
BaseRepresentation
bin1001000101001…
…0010100000101
32122122222000122
42101102110011
534222222033
63440151325
7641503406
oct221222405
978588018
1038085893
111a55354a
1210908545
137b76541
1450b59ad
153524a98
hex2452505

38085893 has 2 divisors, whose sum is σ = 38085894. Its totient is φ = 38085892.

The previous prime is 38085889. The next prime is 38085919. The reversal of 38085893 is 39858083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33895684 + 4190209 = 5822^2 + 2047^2 .

It is a cyclic number.

It is not a de Polignac number, because 38085893 - 22 = 38085889 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38085793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19042946 + 19042947.

It is an arithmetic number, because the mean of its divisors is an integer number (19042947).

Almost surely, 238085893 is an apocalyptic number.

It is an amenable number.

38085893 is a deficient number, since it is larger than the sum of its proper divisors (1).

38085893 is an equidigital number, since it uses as much as digits as its factorization.

38085893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 38085893 is about 6171.3769128129. The cubic root of 38085893 is about 336.4506572179.

The spelling of 38085893 in words is "thirty-eight million, eighty-five thousand, eight hundred ninety-three".