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3039809 = 29372833
BaseRepresentation
bin1011100110001001000001
312201102211112
423212021001
51234233214
6145053105
734560263
oct13461101
95642745
103039809
111796943
121027195
13825806
14591b33
15400a3e
hex2e6241

3039809 has 8 divisors (see below), whose sum is σ = 3230760. Its totient is φ = 2854656.

The previous prime is 3039761. The next prime is 3039811. The reversal of 3039809 is 9089303.

It can be written as a sum of positive squares in 4 ways, for example, as 908209 + 2131600 = 953^2 + 1460^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3039809 - 212 = 3035713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3039859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344 + ... + 2489.

It is an arithmetic number, because the mean of its divisors is an integer number (403845).

Almost surely, 23039809 is an apocalyptic number.

It is an amenable number.

3039809 is a deficient number, since it is larger than the sum of its proper divisors (190951).

3039809 is a wasteful number, since it uses less digits than its factorization.

3039809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 3039809 is about 1743.5048035494. The cubic root of 3039809 is about 144.8600949393.

The spelling of 3039809 in words is "three million, thirty-nine thousand, eight hundred nine".

Divisors: 1 29 37 1073 2833 82157 104821 3039809