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485305 = 5312101
BaseRepresentation
bin1110110011110111001
3220122201021
41312132321
5111012210
614222441
74060612
oct1663671
9818637
10485305
11301687
121b4a21
1313cb82
14c8c09
1598bda
hex767b9

485305 has 12 divisors (see below), whose sum is σ = 607716. Its totient is φ = 372000.

The previous prime is 485263. The next prime is 485311. The reversal of 485305 is 503584.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 346921 + 138384 = 589^2 + 372^2 .

It is not a de Polignac number, because 485305 - 215 = 452537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 485305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4755 + ... + 4855.

It is an arithmetic number, because the mean of its divisors is an integer number (50643).

2485305 is an apocalyptic number.

It is an amenable number.

485305 is a deficient number, since it is larger than the sum of its proper divisors (122411).

485305 is a wasteful number, since it uses less digits than its factorization.

485305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 485305 is about 696.6383566816. The cubic root of 485305 is about 78.5847462668.

Adding to 485305 its reverse (503584), we get a palindrome (988889).

The spelling of 485305 in words is "four hundred eighty-five thousand, three hundred five".

Divisors: 1 5 31 101 155 505 961 3131 4805 15655 97061 485305