248420115 has 24 divisors (see below), whose sum is σ = 446545008. Its totient is φ = 132490080.

The previous prime is 248420113. The next prime is 248420141. The reversal of 248420115 is 511024842.

It is not a de Polignac number, because 248420115 - 2¹ = 248420113 is a prime.

It is a super-2 number, since 2×248420115² = 123425107073226450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (248420113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101016 + ... + 103445.

It is an arithmetic number, because the mean of its divisors is an integer number (18606042).

Almost surely, 2^248420115 is an apocalyptic number.

248420115 is a deficient number, since it is larger than the sum of its proper divisors (198124893).

248420115 is an equidigital number, since it uses as much as digits as its factorization.

248420115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204481 (or 204469 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 248420115 is about 15761.3487684271. The cubic root of 248420115 is about 628.6306994606.

Adding to 248420115 its reverse (511024842), we get a palindrome (759444957).

The spelling of 248420115 in words is "two hundred forty-eight million, four hundred twenty thousand, one hundred fifteen".