Search a number
-
+
6480243 = 347111039
BaseRepresentation
bin11000101110000101110011
3110012020020000
4120232011303
53124331433
6350521043
7106036560
oct30560563
913166200
106480243
113726780
122206183
13145b783
14c09867
15880113
hex62e173

6480243 has 40 divisors (see below), whose sum is σ = 12080640. Its totient is φ = 3363120.

The previous prime is 6480239. The next prime is 6480251. The reversal of 6480243 is 3420846.

6480243 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6480243 - 22 = 6480239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6480223) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5718 + ... + 6756.

It is an arithmetic number, because the mean of its divisors is an integer number (302016).

Almost surely, 26480243 is an apocalyptic number.

6480243 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6480243 is a deficient number, since it is larger than the sum of its proper divisors (5600397).

6480243 is a wasteful number, since it uses less digits than its factorization.

6480243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 6480243 is about 2545.6321415318. The cubic root of 6480243 is about 186.4362807525.

It can be divided in two parts, 6 and 480243, that added together give a square (480249 = 6932).

The spelling of 6480243 in words is "six million, four hundred eighty thousand, two hundred forty-three".

Divisors: 1 3 7 9 11 21 27 33 63 77 81 99 189 231 297 567 693 891 1039 2079 3117 6237 7273 9351 11429 21819 28053 34287 65457 80003 84159 102861 196371 240009 308583 589113 720027 925749 2160081 6480243