248242 has 4 divisors (see below), whose sum is σ = 372366. Its totient is φ = 124120.
The previous prime is 248231. The next prime is 248243. The reversal of 248242 is 242842.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242842 = 2 ⋅121421.
It can be written as a sum of positive squares in only one way, i.e., 212521 + 35721 = 461^2 + 189^2 .
It is a plaindrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (248243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62059 + ... + 62062.
2248242 is an apocalyptic number.
248242 is a deficient number, since it is larger than the sum of its proper divisors (124124).
248242 is a wasteful number, since it uses less digits than its factorization.
248242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124123.
The product of its digits is 1024, while the sum is 22.
The square root of 248242 is about 498.2388985216. The cubic root of 248242 is about 62.8480422677.
The spelling of 248242 in words is "two hundred forty-eight thousand, two hundred forty-two".
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