Search a number
-
+
6448063 = 29222347
BaseRepresentation
bin11000100110001110111111
3110010121002011
4120212032333
53122314223
6350112051
7105544006
oct30461677
913117064
106448063
113704586
1221ab627
131449c2b
14bdbc3d
1587580d
hex6263bf

6448063 has 4 divisors (see below), whose sum is σ = 6670440. Its totient is φ = 6225688.

The previous prime is 6448061. The next prime is 6448069. The reversal of 6448063 is 3608446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6448063 - 21 = 6448061 is a prime.

It is a super-3 number, since 3×64480633 (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

6448063 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111145 + ... + 111202.

It is an arithmetic number, because the mean of its divisors is an integer number (1667610).

Almost surely, 26448063 is an apocalyptic number.

6448063 is a deficient number, since it is larger than the sum of its proper divisors (222377).

6448063 is a wasteful number, since it uses less digits than its factorization.

6448063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222376.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 6448063 is about 2539.3036447026. The cubic root of 6448063 is about 186.1271628210.

It can be divided in two parts, 644806 and 3, that added together give a square (644809 = 8032).

The spelling of 6448063 in words is "six million, four hundred forty-eight thousand, sixty-three".

Divisors: 1 29 222347 6448063