Search a number
-
+
238241 = 1912539
BaseRepresentation
bin111010001010100001
3110002210202
4322022201
530110431
65034545
72011403
oct721241
9402722
10238241
11152aa3
12b5a55
1384593
1462b73
154a8cb
hex3a2a1

238241 has 4 divisors (see below), whose sum is σ = 250800. Its totient is φ = 225684.

The previous prime is 238237. The next prime is 238247. The reversal of 238241 is 142832.

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 238241 - 22 = 238237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238247) 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, 6251 + ... + 6288.

It is an arithmetic number, because the mean of its divisors is an integer number (62700).

2238241 is an apocalyptic number.

It is an amenable number.

238241 is a deficient number, since it is larger than the sum of its proper divisors (12559).

238241 is a wasteful number, since it uses less digits than its factorization.

238241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12558.

The product of its digits is 384, while the sum is 20.

The square root of 238241 is about 488.0993751276. The cubic root of 238241 is about 61.9924548571.

The spelling of 238241 in words is "two hundred thirty-eight thousand, two hundred forty-one".

Divisors: 1 19 12539 238241