Search a number
BaseRepresentation
bin1110110111010101101
3220202011012
41312322231
5111041320
614235005
74066034
oct1667255
9822135
10487085
11302a55
121b5a65
13140921
14c971b
15994c5

487085 has 8 divisors (see below), whose sum is σ = 594456. Its totient is φ = 383040.

The previous prime is 487079. The next prime is 487093. The reversal of 487085 is 580784.

487085 = 4932 + 4942.

It can be written as a sum of positive squares in 4 ways, for example, as 9604 + 477481 = 98^2 + 691^2 .

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

It is not a de Polignac number, because 487085 - 26 = 487021 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 494 + ... + 1103.

It is an arithmetic number, because the mean of its divisors is an integer number (74307).

2487085 is an apocalyptic number.

487085 is the 494-th centered square number.

It is an amenable number.

487085 is a deficient number, since it is larger than the sum of its proper divisors (107371).

487085 is a wasteful number, since it uses less digits than its factorization.

487085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 487085 is about 697.9147512412. The cubic root of 487085 is about 78.6807066613.

The spelling of 487085 in words is "four hundred eighty-seven thousand, eighty-five".

Divisors: 1 5 61 305 1597 7985 97417 487085