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3020009 = 11712579
BaseRepresentation
bin1011100001010011101001
312200102200012
423201103221
51233120014
6144421305
734445456
oct13412351
95612605
103020009
111782a83
121017835
138197b5
1458882d
153e9c3e
hex2e14e9

3020009 has 4 divisors (see below), whose sum is σ = 3023760. Its totient is φ = 3016260.

The previous prime is 3019981. The next prime is 3020021. The reversal of 3020009 is 9000203.

It is a happy number.

3020009 is digitally balanced in base 2, 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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3020009 - 220 = 1971433 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3019975 and 3020002.

It is not an unprimeable number, because it can be changed into a prime (3020309) 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, 119 + ... + 2460.

It is an arithmetic number, because the mean of its divisors is an integer number (755940).

Almost surely, 23020009 is an apocalyptic number.

It is an amenable number.

3020009 is a deficient number, since it is larger than the sum of its proper divisors (3751).

3020009 is a wasteful number, since it uses less digits than its factorization.

3020009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 3020009 is about 1737.8173091554. The cubic root of 3020009 is about 144.5448909268.

The spelling of 3020009 in words is "three million, twenty thousand, nine".

Divisors: 1 1171 2579 3020009