Search a number
-
+
487285 = 5412377
BaseRepresentation
bin1110110111101110101
3220202102121
41312331311
5111043120
614235541
74066441
oct1667565
9822377
10487285
11303117
121b5bb1
13140a46
14c9821
15995aa
hex76f75

487285 has 8 divisors (see below), whose sum is σ = 599256. Its totient is φ = 380160.

The previous prime is 487283. The next prime is 487303. The reversal of 487285 is 582784.

It can be written as a sum of positive squares in 4 ways, for example, as 81 + 487204 = 9^2 + 698^2 .

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

It is not a de Polignac number, because 487285 - 21 = 487283 is a prime.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 487285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487283) 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, 984 + ... + 1393.

It is an arithmetic number, because the mean of its divisors is an integer number (74907).

2487285 is an apocalyptic number.

It is an amenable number.

487285 is a deficient number, since it is larger than the sum of its proper divisors (111971).

487285 is a wasteful number, since it uses less digits than its factorization.

487285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423.

The product of its digits is 17920, while the sum is 34.

The square root of 487285 is about 698.0580205112. The cubic root of 487285 is about 78.6914741099.

The spelling of 487285 in words is "four hundred eighty-seven thousand, two hundred eighty-five".

Divisors: 1 5 41 205 2377 11885 97457 487285