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5685391 = 101181311
BaseRepresentation
bin10101101100000010001111
3101200211220001
4111230002033
52423413031
6321505131
766216325
oct25540217
911624801
105685391
113233578
121aa21a7
131240a4a
14a7dd15
15774861
hex56c08f

5685391 has 8 divisors (see below), whose sum is σ = 5791968. Its totient is φ = 5580000.

The previous prime is 5685377. The next prime is 5685397. The reversal of 5685391 is 1935865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5685391 - 211 = 5683343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5685391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5685397) 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 7 ways as a sum of consecutive naturals, for example, 18126 + ... + 18436.

It is an arithmetic number, because the mean of its divisors is an integer number (723996).

Almost surely, 25685391 is an apocalyptic number.

5685391 is a deficient number, since it is larger than the sum of its proper divisors (106577).

5685391 is a wasteful number, since it uses less digits than its factorization.

5685391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its digits is 32400, while the sum is 37.

The square root of 5685391 is about 2384.4057960003. The cubic root of 5685391 is about 178.4788583214.

The spelling of 5685391 in words is "five million, six hundred eighty-five thousand, three hundred ninety-one".

Divisors: 1 101 181 311 18281 31411 56291 5685391