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285126 = 2347521
BaseRepresentation
bin1000101100111000110
3112111010020
41011213012
533111001
610040010
72265162
oct1054706
9474106
10285126
11185246
12119006
139ca1a
1475ca2
1559736
hex459c6

285126 has 8 divisors (see below), whose sum is σ = 570264. Its totient is φ = 95040.

The previous prime is 285121. The next prime is 285139. The reversal of 285126 is 621582.

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

285126 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 23 + 8 + 1 + 55 + 211 + 67 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 285096 and 285105.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 285126.

It is not an unprimeable number, because it can be changed into a prime (285121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23755 + ... + 23766.

It is an arithmetic number, because the mean of its divisors is an integer number (71283).

2285126 is an apocalyptic number.

285126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285126 is a wasteful number, since it uses less digits than its factorization.

285126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47526.

The product of its digits is 960, while the sum is 24.

The square root of 285126 is about 533.9719093735. The cubic root of 285126 is about 65.8181403100.

The spelling of 285126 in words is "two hundred eighty-five thousand, one hundred twenty-six".

Divisors: 1 2 3 6 47521 95042 142563 285126