Search a number
-
+
82238 = 2133163
BaseRepresentation
bin10100000100111110
311011210212
4110010332
510112423
61432422
7461522
oct240476
9134725
1082238
1156872
123b712
132b580
1421d82
1519578
hex1413e

82238 has 8 divisors (see below), whose sum is σ = 132888. Its totient is φ = 37944.

The previous prime is 82237. The next prime is 82241. The reversal of 82238 is 83228.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82231) 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, 1556 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (16611).

282238 is an apocalyptic number.

82238 is a deficient number, since it is larger than the sum of its proper divisors (50650).

82238 is a wasteful number, since it uses less digits than its factorization.

82238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178.

The product of its digits is 768, while the sum is 23.

The square root of 82238 is about 286.7716861896. The cubic root of 82238 is about 43.4868062334.

Subtracting from 82238 its sum of digits (23), we obtain a triangular number (82215 = T405).

Subtracting 82238 from its reverse (83228), we obtain a triangular number (990 = T44).

The spelling of 82238 in words is "eighty-two thousand, two hundred thirty-eight".

Divisors: 1 2 13 26 3163 6326 41119 82238