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5686820 = 225284341
BaseRepresentation
bin10101101100011000100100
3101200220211222
4111230120210
52423434240
6321515512
766223436
oct25543044
911626758
105686820
113234657
121aa2b98
1312415a9
14a80656
15774eb5
hex56c624

5686820 has 12 divisors (see below), whose sum is σ = 11942364. Its totient is φ = 2274720.

The previous prime is 5686817. The next prime is 5686829. The reversal of 5686820 is 286865.

It can be written as a sum of positive squares in 2 ways, for example, as 1915456 + 3771364 = 1384^2 + 1942^2 .

It is not an unprimeable number, because it can be changed into a prime (5686829) 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, 142151 + ... + 142190.

It is an arithmetic number, because the mean of its divisors is an integer number (995197).

Almost surely, 25686820 is an apocalyptic number.

It is an amenable number.

5686820 is an abundant number, since it is smaller than the sum of its proper divisors (6255544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5686820 is a wasteful number, since it uses less digits than its factorization.

5686820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284350 (or 284348 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 5686820 is about 2384.7054325430. The cubic root of 5686820 is about 178.4938103815.

The spelling of 5686820 in words is "five million, six hundred eighty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 284341 568682 1137364 1421705 2843410 5686820