Base | Representation |
---|---|
bin | 11100011011100… |
… | …01110010000001 |
3 | 121121202200121201 |
4 | 32031301302001 |
5 | 442023232201 |
6 | 35355421201 |
7 | 5624104201 |
oct | 1615616201 |
9 | 547680551 |
10 | 238492801 |
11 | 112694198 |
12 | 67a54801 |
13 | 3a543b01 |
14 | 23962401 |
15 | 15e0e801 |
hex | e371c81 |
238492801 has 4 divisors (see below), whose sum is σ = 239168772. Its totient is φ = 237816832.
The previous prime is 238492789. The next prime is 238492811. The reversal of 238492801 is 108294832.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 121528576 + 116964225 = 11024^2 + 10815^2 .
It is a cyclic number.
It is not a de Polignac number, because 238492801 - 27 = 238492673 is a prime.
It is a super-2 number, since 2×2384928012 = 113757632257651202, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (238492811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337456 + ... + 338161.
It is an arithmetic number, because the mean of its divisors is an integer number (59792193).
Almost surely, 2238492801 is an apocalyptic number.
It is an amenable number.
238492801 is a deficient number, since it is larger than the sum of its proper divisors (675971).
238492801 is an equidigital number, since it uses as much as digits as its factorization.
238492801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 675970.
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 238492801 is about 15443.2121334909. The cubic root of 238492801 is about 620.1428746346.
It can be divided in two parts, 238 and 492801, that added together give a cube (493039 = 793).
The spelling of 238492801 in words is "two hundred thirty-eight million, four hundred ninety-two thousand, eight hundred one".
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