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5649220 = 225282461
BaseRepresentation
bin10101100011001101000100
3101122000021101
4111203031010
52421233340
6321025444
766006013
oct25431504
911560241
105649220
113209385
121a85284
13122a445
14a70a7a
15768c9a
hex563344

5649220 has 12 divisors (see below), whose sum is σ = 11863404. Its totient is φ = 2259680.

The previous prime is 5649187. The next prime is 5649221. The reversal of 5649220 is 229465.

It can be written as a sum of positive squares in 2 ways, for example, as 1893376 + 3755844 = 1376^2 + 1938^2 .

It is not an unprimeable number, because it can be changed into a prime (5649221) 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, 141211 + ... + 141250.

It is an arithmetic number, because the mean of its divisors is an integer number (988617).

Almost surely, 25649220 is an apocalyptic number.

It is an amenable number.

5649220 is an abundant number, since it is smaller than the sum of its proper divisors (6214184).

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

5649220 is a wasteful number, since it uses less digits than its factorization.

5649220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282470 (or 282468 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 5649220 is about 2376.8087849047. The cubic root of 5649220 is about 178.0995529463.

The spelling of 5649220 in words is "five million, six hundred forty-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 282461 564922 1129844 1412305 2824610 5649220