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8069065 = 51613813
BaseRepresentation
bin11110110001111111001001
3120011221200021
4132301333021
54031202230
6444540441
7125404654
oct36617711
916157607
108069065
114611454
122851721
1318969c4
14110089b
15a95c7a
hex7b1fc9

8069065 has 4 divisors (see below), whose sum is σ = 9682884. Its totient is φ = 6455248.

The previous prime is 8069063. The next prime is 8069069. The reversal of 8069065 is 5609608.

8069065 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 3519376 + 4549689 = 1876^2 + 2133^2 .

It is a cyclic number.

It is not a de Polignac number, because 8069065 - 21 = 8069063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8069065.

It is not an unprimeable number, because it can be changed into a prime (8069063) 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, 806902 + ... + 806911.

It is an arithmetic number, because the mean of its divisors is an integer number (2420721).

Almost surely, 28069065 is an apocalyptic number.

It is an amenable number.

8069065 is a deficient number, since it is larger than the sum of its proper divisors (1613819).

8069065 is a wasteful number, since it uses less digits than its factorization.

8069065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613818.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 8069065 is about 2840.6099697072. The cubic root of 8069065 is about 200.5738933238.

The spelling of 8069065 in words is "eight million, sixty-nine thousand, sixty-five".

Divisors: 1 5 1613813 8069065