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9069 = 33023

9069 has 4 divisors (see below), whose sum is σ = 12096. Its totient is φ = 6044.

The previous prime is 9067. The next prime is 9091. The reversal of 9069 is 9609.

Subtracting from 9069 its sum of digits (24), we obtain a triangular number (9045 = T134).

9069 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9609 = 33203.

It is a cyclic number.

It is not a de Polignac number, because 9069 - 21 = 9067 is a prime.

It is a super-2 number, since 2×90692 = 164493522, which contains 22 as substring.

It is a D-number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509 + ... + 1514.

It is an arithmetic number, because the mean of its divisors is an integer number (3024).

29069 is an apocalyptic number.

It is an amenable number.

9069 is a deficient number, since it is larger than the sum of its proper divisors (3027).

9069 is a wasteful number, since it uses less digits than its factorization.

9069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 9069 is about 95.2312973764. The cubic root of 9069 is about 20.8538606564.

The spelling of 9069 in words is "nine thousand, sixty-nine".

Divisors: 1 3 3023 9069