Search a number
-
+
803285 = 5759389
BaseRepresentation
bin11000100000111010101
31111210220022
43010013111
5201201120
625114525
76553640
oct3040725
91453808
10803285
114a957a
12328a45
13221822
1416ca57
1510d025
hexc41d5

803285 has 16 divisors (see below), whose sum is σ = 1123200. Its totient is φ = 540096.

The previous prime is 803273. The next prime is 803287. The reversal of 803285 is 582308.

It is a cyclic number.

It is not a de Polignac number, because 803285 - 24 = 803269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1871 + ... + 2259.

It is an arithmetic number, because the mean of its divisors is an integer number (70200).

2803285 is an apocalyptic number.

It is an amenable number.

803285 is a deficient number, since it is larger than the sum of its proper divisors (319915).

803285 is a wasteful number, since it uses less digits than its factorization.

803285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 803285 is about 896.2616805376. The cubic root of 803285 is about 92.9586666441.

The spelling of 803285 in words is "eight hundred three thousand, two hundred eighty-five".

Divisors: 1 5 7 35 59 295 389 413 1945 2065 2723 13615 22951 114755 160657 803285