Search a number
-
+
5685988 = 2271118461
BaseRepresentation
bin10101101100001011100100
3101200212201011
4111230023210
52423422423
6321512004
766221140
oct25541344
911625634
105685988
113233a70
121aa2604
1312410b9
14a80220
15774b0d
hex56c2e4

5685988 has 24 divisors (see below), whose sum is σ = 12406464. Its totient is φ = 2215200.

The previous prime is 5685971. The next prime is 5686033. The reversal of 5685988 is 8895865.

It is a super-2 number, since 2×56859882 = 64660919072288, which contains 22 as substring.

It is an unprimeable number.

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, 8923 + ... + 9538.

It is an arithmetic number, because the mean of its divisors is an integer number (516936).

Almost surely, 25685988 is an apocalyptic number.

It is an amenable number.

5685988 is an abundant number, since it is smaller than the sum of its proper divisors (6720476).

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

5685988 is a wasteful number, since it uses less digits than its factorization.

5685988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18483 (or 18481 counting only the distinct ones).

The product of its digits is 691200, while the sum is 49.

The square root of 5685988 is about 2384.5309811365. The cubic root of 5685988 is about 178.4851052180.

It can be divided in two parts, 568 and 5988, that added together give a palindrome (6556).

The spelling of 5685988 in words is "five million, six hundred eighty-five thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 18461 36922 73844 129227 203071 258454 406142 516908 812284 1421497 2842994 5685988