Search a number
-
+
6441261 = 32147087
BaseRepresentation
bin11000100100100100101101
3110010020202020
4120210210231
53122110021
6350020353
7105515121
oct30444455
913106666
106441261
1136aa462
1221a76b9
131446ac8
14bd9581
158737c6
hex62492d

6441261 has 4 divisors (see below), whose sum is σ = 8588352. Its totient is φ = 4294172.

The previous prime is 6441257. The next prime is 6441269. The reversal of 6441261 is 1621446.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6441261 - 22 = 6441257 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6441269) 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, 1073541 + ... + 1073546.

It is an arithmetic number, because the mean of its divisors is an integer number (2147088).

Almost surely, 26441261 is an apocalyptic number.

It is an amenable number.

6441261 is a deficient number, since it is larger than the sum of its proper divisors (2147091).

6441261 is a wasteful number, since it uses less digits than its factorization.

6441261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147090.

The product of its digits is 1152, while the sum is 24.

The square root of 6441261 is about 2537.9639477345. The cubic root of 6441261 is about 186.0616918727.

The spelling of 6441261 in words is "six million, four hundred forty-one thousand, two hundred sixty-one".

Divisors: 1 3 2147087 6441261