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4905305 = 5981061
BaseRepresentation
bin10010101101100101011001
3100020012210222
4102231211121
52223432210
6253045425
756460116
oct22554531
910205728
104905305
112850479
121786875
131029962
1491990d
1566d655
hex4ad959

4905305 has 4 divisors (see below), whose sum is σ = 5886372. Its totient is φ = 3924240.

The previous prime is 4905301. The next prime is 4905317. The reversal of 4905305 is 5035094.

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 3798601 + 1106704 = 1949^2 + 1052^2 .

It is not a de Polignac number, because 4905305 - 22 = 4905301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4905301) 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, 490526 + ... + 490535.

It is an arithmetic number, because the mean of its divisors is an integer number (1471593).

Almost surely, 24905305 is an apocalyptic number.

It is an amenable number.

4905305 is a deficient number, since it is larger than the sum of its proper divisors (981067).

4905305 is an equidigital number, since it uses as much as digits as its factorization.

4905305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981066.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 4905305 is about 2214.7923153199. The cubic root of 4905305 is about 169.9111992971.

The spelling of 4905305 in words is "four million, nine hundred five thousand, three hundred five".

Divisors: 1 5 981061 4905305