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4485009 = 31495003
BaseRepresentation
bin10001000110111110010001
322102212021110
4101012332101
52122010014
6240043533
753056554
oct21067621
98385243
104485009
112593721
1216035a9
13c10569
1484a69b
155d8d59
hex446f91

4485009 has 4 divisors (see below), whose sum is σ = 5980016. Its totient is φ = 2990004.

The previous prime is 4485001. The next prime is 4485043. The reversal of 4485009 is 9005844.

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.

It is not a de Polignac number, because 4485009 - 23 = 4485001 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4485001) 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, 747499 + ... + 747504.

It is an arithmetic number, because the mean of its divisors is an integer number (1495004).

Almost surely, 24485009 is an apocalyptic number.

It is an amenable number.

4485009 is a deficient number, since it is larger than the sum of its proper divisors (1495007).

4485009 is a wasteful number, since it uses less digits than its factorization.

4485009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495006.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 4485009 is about 2117.7839833184. The cubic root of 4485009 is about 164.9128281505.

The spelling of 4485009 in words is "four million, four hundred eighty-five thousand, nine".

Divisors: 1 3 1495003 4485009