Search a number
-
+
231682 = 21110531
BaseRepresentation
bin111000100100000010
3102202210211
4320210002
524403212
64544334
71653313
oct704402
9382724
10231682
11149080
12b20aa
13815b9
146060a
15489a7
hex38902

231682 has 8 divisors (see below), whose sum is σ = 379152. Its totient is φ = 105300.

The previous prime is 231677. The next prime is 231701. The reversal of 231682 is 286132.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 10531 = 231682 / (2 + 3 + 1 + 6 + 8 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5244 + ... + 5287.

It is an arithmetic number, because the mean of its divisors is an integer number (47394).

2231682 is an apocalyptic number.

231682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231682 is a deficient number, since it is larger than the sum of its proper divisors (147470).

231682 is a wasteful number, since it uses less digits than its factorization.

231682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544.

The product of its digits is 576, while the sum is 22.

The square root of 231682 is about 481.3335641735. Note that the first 3 decimals coincide. The cubic root of 231682 is about 61.4182490575.

It can be divided in two parts, 2 and 31682, that added together give a square (31684 = 1782).

The spelling of 231682 in words is "two hundred thirty-one thousand, six hundred eighty-two".

Divisors: 1 2 11 22 10531 21062 115841 231682