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238133 = 734019
BaseRepresentation
bin111010001000110101
3110002122202
4322020311
530110013
65034245
72011160
oct721065
9402582
10238133
11152a05
12b5985
138450c
1462ad7
154a858
hex3a235

238133 has 4 divisors (see below), whose sum is σ = 272160. Its totient is φ = 204108.

The previous prime is 238109. The next prime is 238141. The reversal of 238133 is 331832.

238133 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 a cyclic number.

It is not a de Polignac number, because 238133 - 28 = 237877 is a prime.

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 238133.

It is not an unprimeable number, because it can be changed into a prime (238103) 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, 17003 + ... + 17016.

It is an arithmetic number, because the mean of its divisors is an integer number (68040).

2238133 is an apocalyptic number.

It is an amenable number.

238133 is a deficient number, since it is larger than the sum of its proper divisors (34027).

238133 is an equidigital number, since it uses as much as digits as its factorization.

238133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34026.

The product of its digits is 432, while the sum is 20.

The square root of 238133 is about 487.9887293780. The cubic root of 238133 is about 61.9830859168.

Adding to 238133 its reverse (331832), we get a palindrome (569965).

The spelling of 238133 in words is "two hundred thirty-eight thousand, one hundred thirty-three".

Divisors: 1 7 34019 238133