Base | Representation |
---|---|
bin | 11100011110000… |
… | …00001011110101 |
3 | 121122101000010210 |
4 | 32033000023311 |
5 | 442114021231 |
6 | 35410340033 |
7 | 5626612362 |
oct | 1617001365 |
9 | 548330123 |
10 | 238813941 |
11 | 1128934a3 |
12 | 67b8a619 |
13 | 3a627032 |
14 | 23a07469 |
15 | 15e74a46 |
hex | e3c02f5 |
238813941 has 4 divisors (see below), whose sum is σ = 318418592. Its totient is φ = 159209292.
The previous prime is 238813937. The next prime is 238813957. The reversal of 238813941 is 149318832.
238813941 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 not a de Polignac number, because 238813941 - 22 = 238813937 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 238813941.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238813901) 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, 39802321 + ... + 39802326.
It is an arithmetic number, because the mean of its divisors is an integer number (79604648).
Almost surely, 2238813941 is an apocalyptic number.
It is an amenable number.
238813941 is a deficient number, since it is larger than the sum of its proper divisors (79604651).
238813941 is an equidigital number, since it uses as much as digits as its factorization.
238813941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79604650.
The product of its digits is 41472, while the sum is 39.
The square root of 238813941 is about 15453.6060840181. The cubic root of 238813941 is about 620.4210987707.
The spelling of 238813941 in words is "two hundred thirty-eight million, eight hundred thirteen thousand, nine hundred forty-one".
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