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9380069 = 22940961
BaseRepresentation
bin100011110010…
…000011100101
3122122120000222
4203302003211
54400130234
6533014125
7142505066
oct43620345
918576028
109380069
115327426
123184345
131c3564a
14136256d
15c5442e
hex8f20e5

9380069 has 4 divisors (see below), whose sum is σ = 9421260. Its totient is φ = 9338880.

The previous prime is 9380057. The next prime is 9380083. The reversal of 9380069 is 9600839.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9600839 = 56317053.

It can be written as a sum of positive squares in 2 ways, for example, as 8631844 + 748225 = 2938^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 9380069 - 28 = 9379813 is a prime.

It is a super-2 number, since 2×93800692 = 175971388889522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9380009) 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 in 3 ways as a sum of consecutive naturals, for example, 20252 + ... + 20709.

It is an arithmetic number, because the mean of its divisors is an integer number (2355315).

Almost surely, 29380069 is an apocalyptic number.

It is an amenable number.

9380069 is a deficient number, since it is larger than the sum of its proper divisors (41191).

9380069 is a wasteful number, since it uses less digits than its factorization.

9380069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41190.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 9380069 is about 3062.6898308513. The cubic root of 9380069 is about 210.8961626797.

The spelling of 9380069 in words is "nine million, three hundred eighty thousand, sixty-nine".

Divisors: 1 229 40961 9380069