215048 has 8 divisors (see below), whose sum is σ = 403230. Its totient is φ = 107520.

The previous prime is 214993. The next prime is 215051. The reversal of 215048 is 840512.

It can be written as a sum of positive squares in only one way, i.e., 158404 + 56644 = 398^2 + 238^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13433 + ... + 13448.

215048 is a Friedman number, since it can be written as 8+210*4^5, using all its digits and the basic arithmetic operations.

2²¹⁵⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

215048 is a deficient number, since it is larger than the sum of its proper divisors (188182).

215048 is a wasteful number, since it uses less digits than its factorization.

215048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26887 (or 26883 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 215048 is about 463.7326816173. The cubic root of 215048 is about 59.9117220322.

It can be divided in two parts, 21504 and 8, that added together give a palindrome (21512).

The spelling of 215048 in words is "two hundred fifteen thousand, forty-eight".