Search a number
-
+
6488993 = 72573607
BaseRepresentation
bin11000110000001110100001
3110012200020002
4120300032201
53130121433
6351025345
7106104230
oct30601641
913180202
106488993
113732305
12220b255
131462754
14c0cb17
158829e8
hex6303a1

6488993 has 8 divisors (see below), whose sum is σ = 7446912. Its totient is φ = 5538816.

The previous prime is 6488987. The next prime is 6489083. The reversal of 6488993 is 3998846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6488993 - 212 = 6484897 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 (6488693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 3602.

It is an arithmetic number, because the mean of its divisors is an integer number (930864).

Almost surely, 26488993 is an apocalyptic number.

It is an amenable number.

6488993 is a deficient number, since it is larger than the sum of its proper divisors (957919).

6488993 is a wasteful number, since it uses less digits than its factorization.

6488993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871.

The product of its digits is 373248, while the sum is 47.

The square root of 6488993 is about 2547.3501918660. The cubic root of 6488993 is about 186.5201553733.

The spelling of 6488993 in words is "six million, four hundred eighty-eight thousand, nine hundred ninety-three".

Divisors: 1 7 257 1799 3607 25249 926999 6488993