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9068809 = 61148669
BaseRepresentation
bin100010100110…
…000100001001
3122001202001211
4202212010021
54310200214
6522213121
7140040451
oct42460411
918052054
109068809
115134592
1230541a1
131b56a79
1412c0d61
15be20c4
hex8a6109

9068809 has 4 divisors (see below), whose sum is σ = 9217540. Its totient is φ = 8920080.

The previous prime is 9068767. The next prime is 9068827. The reversal of 9068809 is 9088609.

It is a happy number.

9068809 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2334784 + 6734025 = 1528^2 + 2595^2 .

It is a cyclic number.

It is not a de Polignac number, because 9068809 - 213 = 9060617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9068849) 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, 74274 + ... + 74395.

It is an arithmetic number, because the mean of its divisors is an integer number (2304385).

Almost surely, 29068809 is an apocalyptic number.

It is an amenable number.

9068809 is a deficient number, since it is larger than the sum of its proper divisors (148731).

9068809 is a wasteful number, since it uses less digits than its factorization.

9068809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148730.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 9068809 is about 3011.4463302540. The cubic root of 9068809 is about 208.5371425605.

The spelling of 9068809 in words is "nine million, sixty-eight thousand, eight hundred nine".

Divisors: 1 61 148669 9068809