Base | Representation |
---|---|
bin | 11100011011000… |
… | …01100000011111 |
3 | 121121122022011220 |
4 | 32031201200133 |
5 | 442014114033 |
6 | 35354144423 |
7 | 5623405644 |
oct | 1615414037 |
9 | 547568156 |
10 | 238426143 |
11 | 1126490aa |
12 | 67a22113 |
13 | 3a51c677 |
14 | 23945dcb |
15 | 15de9bb3 |
hex | e36181f |
238426143 has 8 divisors (see below), whose sum is σ = 318318000. Its totient is φ = 158742528.
The previous prime is 238426127. The next prime is 238426219. The reversal of 238426143 is 341624832.
238426143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 238426143 - 24 = 238426127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238426043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49368 + ... + 53981.
It is an arithmetic number, because the mean of its divisors is an integer number (39789750).
Almost surely, 2238426143 is an apocalyptic number.
238426143 is a deficient number, since it is larger than the sum of its proper divisors (79891857).
238426143 is a wasteful number, since it uses less digits than its factorization.
238426143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104121.
The product of its digits is 27648, while the sum is 33.
The square root of 238426143 is about 15441.0538176641. The cubic root of 238426143 is about 620.0850932461.
The spelling of 238426143 in words is "two hundred thirty-eight million, four hundred twenty-six thousand, one hundred forty-three".
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