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5757309 = 32639701
BaseRepresentation
bin10101111101100101111101
3101211111112200
4111331211331
52433213214
6323222113
766636105
oct25754575
911744480
105757309
113282608
121b17939
1312676bc
14a9c205
1578ad09
hex57d97d

5757309 has 6 divisors (see below), whose sum is σ = 8316126. Its totient is φ = 3838200.

The previous prime is 5757293. The next prime is 5757317. The reversal of 5757309 is 9037575.

It can be written as a sum of positive squares in only one way, i.e., 3229209 + 2528100 = 1797^2 + 1590^2 .

It is not a de Polignac number, because 5757309 - 24 = 5757293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5757379) 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, 319842 + ... + 319859.

It is an arithmetic number, because the mean of its divisors is an integer number (1386021).

Almost surely, 25757309 is an apocalyptic number.

It is an amenable number.

5757309 is a deficient number, since it is larger than the sum of its proper divisors (2558817).

5757309 is a wasteful number, since it uses less digits than its factorization.

5757309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639707 (or 639704 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 36.

The square root of 5757309 is about 2399.4393095055. The cubic root of 5757309 is about 179.2282700968.

The spelling of 5757309 in words is "five million, seven hundred fifty-seven thousand, three hundred nine".

Divisors: 1 3 9 639701 1919103 5757309