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6489693 = 33734337
BaseRepresentation
bin11000110000011001011101
3110012201012000
4120300121131
53130132233
6351032513
7106106250
oct30603135
913181160
106489693
113732891
12220b739
131462b72
14c0d097
15882d13
hex63065d

6489693 has 16 divisors (see below), whose sum is σ = 10988160. Its totient is φ = 3708288.

The previous prime is 6489683. The next prime is 6489709. The reversal of 6489693 is 3969846.

It is not a de Polignac number, because 6489693 - 24 = 6489677 is a prime.

It is a super-2 number, since 2×64896932 = 84232230468498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489653) 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 15 ways as a sum of consecutive naturals, for example, 16980 + ... + 17357.

It is an arithmetic number, because the mean of its divisors is an integer number (686760).

Almost surely, 26489693 is an apocalyptic number.

6489693 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6489693 is a deficient number, since it is larger than the sum of its proper divisors (4498467).

6489693 is a wasteful number, since it uses less digits than its factorization.

6489693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34353 (or 34347 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 6489693 is about 2547.4875858383. The cubic root of 6489693 is about 186.5268620849.

The spelling of 6489693 in words is "six million, four hundred eighty-nine thousand, six hundred ninety-three".

Divisors: 1 3 7 9 21 27 63 189 34337 103011 240359 309033 721077 927099 2163231 6489693