Search a number
-
+
486205 = 597241
BaseRepresentation
bin1110110101100111101
3220200221121
41312230331
5111024310
614230541
74063336
oct1665475
9820847
10486205
11302325
121b5451
131403c5
14c928d
15990da
hex76b3d

486205 has 4 divisors (see below), whose sum is σ = 583452. Its totient is φ = 388960.

The previous prime is 486203. The next prime is 486221. The reversal of 486205 is 502684.

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 49284 + 436921 = 222^2 + 661^2 .

It is not a de Polignac number, because 486205 - 21 = 486203 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 486205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 48616 + ... + 48625.

It is an arithmetic number, because the mean of its divisors is an integer number (145863).

2486205 is an apocalyptic number.

It is an amenable number.

486205 is a deficient number, since it is larger than the sum of its proper divisors (97247).

486205 is an equidigital number, since it uses as much as digits as its factorization.

486205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97246.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 486205 is about 697.2840167392. The cubic root of 486205 is about 78.6332948399.

Adding to 486205 its reverse (502684), we get a palindrome (988889).

The spelling of 486205 in words is "four hundred eighty-six thousand, two hundred five".

Divisors: 1 5 97241 486205