Search a number
-
+
6491741 = 311971063
BaseRepresentation
bin11000110000111001011101
3110012210222212
4120300321131
53130213431
6351050205
7106115234
oct30607135
913183885
106491741
113734383
122210965
131463a89
14c0db1b
1588372b
hex630e5d

6491741 has 8 divisors (see below), whose sum is σ = 6741504. Its totient is φ = 6244560.

The previous prime is 6491731. The next prime is 6491747. The reversal of 6491741 is 1471946.

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

It is a cyclic number.

It is not a de Polignac number, because 6491741 - 26 = 6491677 is a prime.

It is a super-2 number, since 2×64917412 = 84285402422162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6491698 and 6491707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6491747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5576 + ... + 6638.

It is an arithmetic number, because the mean of its divisors is an integer number (842688).

Almost surely, 26491741 is an apocalyptic number.

It is an amenable number.

6491741 is a deficient number, since it is larger than the sum of its proper divisors (249763).

6491741 is a wasteful number, since it uses less digits than its factorization.

6491741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291.

The product of its digits is 6048, while the sum is 32.

The square root of 6491741 is about 2547.8895187979. The cubic root of 6491741 is about 186.5464812378.

The spelling of 6491741 in words is "six million, four hundred ninety-one thousand, seven hundred forty-one".

Divisors: 1 31 197 1063 6107 32953 209411 6491741