Search a number
-
+
286137 = 3231793
BaseRepresentation
bin1000101110110111001
3112112111200
41011312321
533124022
610044413
72301135
oct1056671
9475450
10286137
11185a85
12119709
13a0317
14763c5
1559bac
hex45db9

286137 has 6 divisors (see below), whose sum is σ = 413322. Its totient is φ = 190752.

The previous prime is 286129. The next prime is 286163. The reversal of 286137 is 731682.

It can be written as a sum of positive squares in only one way, i.e., 266256 + 19881 = 516^2 + 141^2 .

It is not a de Polignac number, because 286137 - 23 = 286129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 286137.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 286137.

It is not an unprimeable number, because it can be changed into a prime (287137) by changing a digit.

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, 15888 + ... + 15905.

It is an arithmetic number, because the mean of its divisors is an integer number (68887).

2286137 is an apocalyptic number.

It is an amenable number.

286137 is a deficient number, since it is larger than the sum of its proper divisors (127185).

286137 is a wasteful number, since it uses less digits than its factorization.

286137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31799 (or 31796 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 286137 is about 534.9177506870. The cubic root of 286137 is about 65.8958412165.

The spelling of 286137 in words is "two hundred eighty-six thousand, one hundred thirty-seven".

Divisors: 1 3 9 31793 95379 286137