Search a number
-
+
285835 = 5115197
BaseRepresentation
bin1000101110010001011
3112112002111
41011302023
533121320
610043151
72300224
oct1056213
9475074
10285835
11185830
121194b7
13a0144
147624b
1559a5a
hex45c8b

285835 has 8 divisors (see below), whose sum is σ = 374256. Its totient is φ = 207840.

The previous prime is 285827. The next prime is 285839. The reversal of 285835 is 538582.

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

It is not a de Polignac number, because 285835 - 23 = 285827 is a prime.

It is a d-powerful number, because it can be written as 214 + 84 + 86 + 5 + 34 + 55 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 285797 and 285806.

It is not an unprimeable number, because it can be changed into a prime (285839) 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, 2544 + ... + 2653.

It is an arithmetic number, because the mean of its divisors is an integer number (46782).

2285835 is an apocalyptic number.

285835 is a deficient number, since it is larger than the sum of its proper divisors (88421).

285835 is a wasteful number, since it uses less digits than its factorization.

285835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213.

The product of its digits is 9600, while the sum is 31.

The square root of 285835 is about 534.6353897751. The cubic root of 285835 is about 65.8726500535.

The spelling of 285835 in words is "two hundred eighty-five thousand, eight hundred thirty-five".

Divisors: 1 5 11 55 5197 25985 57167 285835