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6530305 = 53142131
BaseRepresentation
bin11000111010010100000001
3110021202220011
4120322110001
53132432210
6351544521
7106335535
oct30722401
913252804
106530305
113760351
12222b141
1314784b2
14c1dbc5
1588ed8a
hex63a501

6530305 has 8 divisors (see below), whose sum is σ = 8089344. Its totient is φ = 5055600.

The previous prime is 6530257. The next prime is 6530309. The reversal of 6530305 is 5030356.

6530305 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6530305 - 27 = 6530177 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6530309) 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, 20911 + ... + 21220.

It is an arithmetic number, because the mean of its divisors is an integer number (1011168).

Almost surely, 26530305 is an apocalyptic number.

It is an amenable number.

6530305 is a deficient number, since it is larger than the sum of its proper divisors (1559039).

6530305 is a wasteful number, since it uses less digits than its factorization.

6530305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42167.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 6530305 is about 2555.4461450009. The cubic root of 6530305 is about 186.9151435182.

The spelling of 6530305 in words is "six million, five hundred thirty thousand, three hundred five".

Divisors: 1 5 31 155 42131 210655 1306061 6530305