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5284809 = 32587201
BaseRepresentation
bin10100001010001111001001
3100221111101200
4110022033021
52323103214
6305134413
762630415
oct24121711
910844350
105284809
112a8a612
12192a409
13113060a
149b7d45
156e5d09
hex50a3c9

5284809 has 6 divisors (see below), whose sum is σ = 7633626. Its totient is φ = 3523200.

The previous prime is 5284781. The next prime is 5284819. The reversal of 5284809 is 9084825.

It can be written as a sum of positive squares in only one way, i.e., 4928400 + 356409 = 2220^2 + 597^2 .

It is not a de Polignac number, because 5284809 - 27 = 5284681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5284819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293592 + ... + 293609.

It is an arithmetic number, because the mean of its divisors is an integer number (1272271).

Almost surely, 25284809 is an apocalyptic number.

It is an amenable number.

5284809 is a deficient number, since it is larger than the sum of its proper divisors (2348817).

5284809 is a wasteful number, since it uses less digits than its factorization.

5284809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587207 (or 587204 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 5284809 is about 2298.8712447634. The cubic root of 5284809 is about 174.1846039181.

The spelling of 5284809 in words is "five million, two hundred eighty-four thousand, eight hundred nine".

Divisors: 1 3 9 587201 1761603 5284809