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5649289 = 19215649
BaseRepresentation
bin10101100011001110001001
3101122000100221
4111203032021
52421234124
6321030041
766006142
oct25431611
911560327
105649289
113209438
121a85321
13122a499
14a70ac9
15768ce4
hex563389

5649289 has 6 divisors (see below), whose sum is σ = 5962650. Its totient is φ = 5351616.

The previous prime is 5649221. The next prime is 5649307. The reversal of 5649289 is 9829465.

It can be written as a sum of positive squares in only one way, i.e., 3980025 + 1669264 = 1995^2 + 1292^2 .

It is not a de Polignac number, because 5649289 - 211 = 5647241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5689289) 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 5 ways as a sum of consecutive naturals, for example, 7464 + ... + 8185.

It is an arithmetic number, because the mean of its divisors is an integer number (993775).

Almost surely, 25649289 is an apocalyptic number.

It is an amenable number.

5649289 is a deficient number, since it is larger than the sum of its proper divisors (313361).

5649289 is a wasteful number, since it uses less digits than its factorization.

5649289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15687 (or 15668 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 5649289 is about 2376.8233001214. The cubic root of 5649289 is about 178.1002780505.

The spelling of 5649289 in words is "five million, six hundred forty-nine thousand, two hundred eighty-nine".

Divisors: 1 19 361 15649 297331 5649289