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6485893 = 10616113
BaseRepresentation
bin11000101111011110000101
3110012111222021
4120233132011
53130022033
6351003141
7106062211
oct30573605
913174867
106485893
11372aa47
1222094b1
13146120b
14c0b941
15881b2d
hex62f785

6485893 has 4 divisors (see below), whose sum is σ = 6493068. Its totient is φ = 6478720.

The previous prime is 6485881. The next prime is 6485923. The reversal of 6485893 is 3985846.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3932289 + 2553604 = 1983^2 + 1598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6485893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1996 + ... + 4117.

It is an arithmetic number, because the mean of its divisors is an integer number (1623267).

Almost surely, 26485893 is an apocalyptic number.

It is an amenable number.

6485893 is a deficient number, since it is larger than the sum of its proper divisors (7175).

6485893 is a wasteful number, since it uses less digits than its factorization.

6485893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174.

The product of its digits is 207360, while the sum is 43.

The square root of 6485893 is about 2546.7416437479. The cubic root of 6485893 is about 186.4904484227.

The spelling of 6485893 in words is "six million, four hundred eighty-five thousand, eight hundred ninety-three".

Divisors: 1 1061 6113 6485893