Search a number
-
+
6770641 = 17398273
BaseRepresentation
bin11001110100111111010001
3110201222120111
4121310333101
53213130031
6401041321
7111356323
oct31647721
913658514
106770641
113904979
122326241
1315309c7
14c83613
158db1b1
hex674fd1

6770641 has 4 divisors (see below), whose sum is σ = 7168932. Its totient is φ = 6372352.

The previous prime is 6770611. The next prime is 6770653. The reversal of 6770641 is 1460776.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3530641 + 3240000 = 1879^2 + 1800^2 .

It is a cyclic number.

It is not a de Polignac number, because 6770641 - 25 = 6770609 is a prime.

It is a Duffinian number.

6770641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6770611) 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, 199120 + ... + 199153.

It is an arithmetic number, because the mean of its divisors is an integer number (1792233).

Almost surely, 26770641 is an apocalyptic number.

It is an amenable number.

6770641 is a deficient number, since it is larger than the sum of its proper divisors (398291).

6770641 is a wasteful number, since it uses less digits than its factorization.

6770641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398290.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 6770641 is about 2602.0455414923. The cubic root of 6770641 is about 189.1805987225.

The spelling of 6770641 in words is "six million, seven hundred seventy thousand, six hundred forty-one".

Divisors: 1 17 398273 6770641