238148 has 12 divisors (see below), whose sum is σ = 431340. Its totient is φ = 114912.
The previous prime is 238141. The next prime is 238151. The reversal of 238148 is 841832.
It can be written as a sum of positive squares in 2 ways, for example, as 123904 + 114244 = 352^2 + 338^2 .
It is a zygodrome in base 3.
It is not an unprimeable number, because it can be changed into a prime (238141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911 + ... + 1142.
It is an arithmetic number, because the mean of its divisors is an integer number (35945).
238148 is a Friedman number, since it can be written as 488^2+3+1, using all its digits and the basic arithmetic operations.
2238148 is an apocalyptic number.
It is an amenable number.
238148 is a deficient number, since it is larger than the sum of its proper divisors (193192).
238148 is a wasteful number, since it uses less digits than its factorization.
238148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2086 (or 2084 counting only the distinct ones).
The product of its digits is 1536, while the sum is 26.
The square root of 238148 is about 488.0040983434. The cubic root of 238148 is about 61.9843873279.
The spelling of 238148 in words is "two hundred thirty-eight thousand, one hundred forty-eight".
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