Search a number
-
+
238233 = 379411
BaseRepresentation
bin111010001010011001
3110002210110
4322022121
530110413
65034533
72011362
oct721231
9402713
10238233
11152a96
12b5a49
1384588
1462b69
154a8c3
hex3a299

238233 has 4 divisors (see below), whose sum is σ = 317648. Its totient is φ = 158820.

The previous prime is 238229. The next prime is 238237. The reversal of 238233 is 332832.

238233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (238229) and next prime (238237).

It is not a de Polignac number, because 238233 - 22 = 238229 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (238237) 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, 39703 + ... + 39708.

It is an arithmetic number, because the mean of its divisors is an integer number (79412).

2238233 is an apocalyptic number.

It is an amenable number.

238233 is a deficient number, since it is larger than the sum of its proper divisors (79415).

238233 is an equidigital number, since it uses as much as digits as its factorization.

238233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79414.

The product of its digits is 864, while the sum is 21.

The square root of 238233 is about 488.0911800064. The cubic root of 238233 is about 61.9917609586.

It can be divided in two parts, 2382 and 33, that multiplied together give a triangular number (78606 = T396).

The spelling of 238233 in words is "two hundred thirty-eight thousand, two hundred thirty-three".

Divisors: 1 3 79411 238233