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38287069 is a prime number
BaseRepresentation
bin1001001000001…
…1011011011101
32200001011222121
42102003123131
534300141234
63444342541
7643302052
oct222033335
980034877
1038287069
111a680707
12109a4a51
137c16c92
145129029
1535644b4
hex24836dd

38287069 has 2 divisors, whose sum is σ = 38287070. Its totient is φ = 38287068.

The previous prime is 38287049. The next prime is 38287097. The reversal of 38287069 is 96078283.

38287069 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., 38278969 + 8100 = 6187^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 38287069 - 29 = 38286557 is a prime.

It is a super-2 number, since 2×382870692 = 2931799305221522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38287049) 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, 19143534 + 19143535.

It is an arithmetic number, because the mean of its divisors is an integer number (19143535).

Almost surely, 238287069 is an apocalyptic number.

It is an amenable number.

38287069 is a deficient number, since it is larger than the sum of its proper divisors (1).

38287069 is an equidigital number, since it uses as much as digits as its factorization.

38287069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 38287069 is about 6187.6545637261. The cubic root of 38287069 is about 337.0420132706.

The spelling of 38287069 in words is "thirty-eight million, two hundred eighty-seven thousand, sixty-nine".