Search a number
-
+
6813468 = 2232533571
BaseRepresentation
bin11001111111011100011100
3110211011022200
4121333130130
53221012333
6402011500
7111625224
oct31773434
913734280
106813468
113934072
122346b90
13154734c
14c95084
158e8c13
hex67f71c

6813468 has 36 divisors (see below), whose sum is σ = 17552808. Its totient is φ = 2227680.

The previous prime is 6813409. The next prime is 6813473. The reversal of 6813468 is 8643186.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (487578).

Almost surely, 26813468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6813468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8776404).

6813468 is an abundant number, since it is smaller than the sum of its proper divisors (10739340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6813468 is a wasteful number, since it uses less digits than its factorization.

6813468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634 (or 3629 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 6813468 is about 2610.2620558097. The cubic root of 6813468 is about 189.5786415080.

The spelling of 6813468 in words is "six million, eight hundred thirteen thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 53 106 159 212 318 477 636 954 1908 3571 7142 10713 14284 21426 32139 42852 64278 128556 189263 378526 567789 757052 1135578 1703367 2271156 3406734 6813468