Base | Representation |
---|---|
bin | 11100011001001… |
… | …11100100000001 |
3 | 121121012020121110 |
4 | 32030213210001 |
5 | 441434020201 |
6 | 35345113533 |
7 | 5621366664 |
oct | 1614474401 |
9 | 547166543 |
10 | 238188801 |
11 | 1124a6854 |
12 | 679288a9 |
13 | 3a468626 |
14 | 238c36db |
15 | 15d9e6d6 |
hex | e327901 |
238188801 has 4 divisors (see below), whose sum is σ = 317585072. Its totient is φ = 158792532.
The previous prime is 238188799. The next prime is 238188817. The reversal of 238188801 is 108881832.
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 238188801 - 21 = 238188799 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 238188801.
It is not an unprimeable number, because it can be changed into a prime (238188001) 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, 39698131 + ... + 39698136.
It is an arithmetic number, because the mean of its divisors is an integer number (79396268).
Almost surely, 2238188801 is an apocalyptic number.
It is an amenable number.
238188801 is a deficient number, since it is larger than the sum of its proper divisors (79396271).
238188801 is an equidigital number, since it uses as much as digits as its factorization.
238188801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79396270.
The product of its (nonzero) digits is 24576, while the sum is 39.
The square root of 238188801 is about 15433.3664830458. The cubic root of 238188801 is about 619.8792697631.
The spelling of 238188801 in words is "two hundred thirty-eight million, one hundred eighty-eight thousand, eight hundred one".
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