Search a number
-
+
6811264 = 27127419
BaseRepresentation
bin11001111110111010000000
3110211001022001
4121332322000
53220430024
6401553344
7111615625
oct31767200
913731261
106811264
113932449
122345854
131546345
14c9434c
158e8244
hex67ee80

6811264 has 32 divisors (see below), whose sum is σ = 13708800. Its totient is φ = 3370752.

The previous prime is 6811249. The next prime is 6811267. The reversal of 6811264 is 4621186.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6811267) 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, 16047 + ... + 16465.

It is an arithmetic number, because the mean of its divisors is an integer number (428400).

Almost surely, 26811264 is an apocalyptic number.

6811264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6811264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6854400).

6811264 is an abundant number, since it is smaller than the sum of its proper divisors (6897536).

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

6811264 is a wasteful number, since it uses less digits than its factorization.

6811264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 548 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 6811264 is about 2609.8398418294. The cubic root of 6811264 is about 189.5581978618.

The spelling of 6811264 in words is "six million, eight hundred eleven thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 127 128 254 419 508 838 1016 1676 2032 3352 4064 6704 8128 13408 16256 26816 53213 53632 106426 212852 425704 851408 1702816 3405632 6811264