Search a number
-
+
495025 = 5219801
BaseRepresentation
bin1111000110110110001
3221011001021
41320312301
5111320100
614335441
74131136
oct1706661
9834037
10495025
11308a13
121ba581
1314441b
14cc58d
159ba1a
hex78db1

495025 has 6 divisors (see below), whose sum is σ = 613862. Its totient is φ = 396000.

The previous prime is 495017. The next prime is 495037. The reversal of 495025 is 520594.

It can be written as a sum of positive squares in 3 ways, for example, as 9216 + 485809 = 96^2 + 697^2 .

It is not a de Polignac number, because 495025 - 23 = 495017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 19801 = 495025 / (4 + 9 + 5 + 0 + 2 + 5).

It is a Duffinian number.

495025 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9876 + ... + 9925.

2495025 is an apocalyptic number.

It is an amenable number.

495025 is a deficient number, since it is larger than the sum of its proper divisors (118837).

495025 is a wasteful number, since it uses less digits than its factorization.

495025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19811 (or 19806 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 495025 is about 703.5801304756. The cubic root of 495025 is about 79.1059306395.

The spelling of 495025 in words is "four hundred ninety-five thousand, twenty-five".

Divisors: 1 5 25 19801 99005 495025