Search a number
-
+
6731394 = 231121899
BaseRepresentation
bin11001101011011010000010
3110122222201220
4121223122002
53210401034
6400135510
7111134025
oct31533202
913588656
106731394
11388843a
122307596
131518b97
14c731bc
158ce749
hex66b682

6731394 has 8 divisors (see below), whose sum is σ = 13462800. Its totient is φ = 2243796.

The previous prime is 6731363. The next prime is 6731401. The reversal of 6731394 is 4931376.

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

6731394 is an admirable number.

It is a super-3 number, since 3×67313943 (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560944 + ... + 560955.

It is an arithmetic number, because the mean of its divisors is an integer number (1682850).

Almost surely, 26731394 is an apocalyptic number.

6731394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6731394 is a wasteful number, since it uses less digits than its factorization.

6731394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121904.

The product of its digits is 13608, while the sum is 33.

The square root of 6731394 is about 2594.4930140588. The cubic root of 6731394 is about 188.8143525728.

The spelling of 6731394 in words is "six million, seven hundred thirty-one thousand, three hundred ninety-four".

Divisors: 1 2 3 6 1121899 2243798 3365697 6731394