213282490 has 16 divisors (see below), whose sum is σ = 384199200. Its totient is φ = 85248400.

The previous prime is 213282431. The next prime is 213282491. The reversal of 213282490 is 94282312.

It is not an unprimeable number, because it can be changed into a prime (213282491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7161 + ... + 21859.

It is an arithmetic number, because the mean of its divisors is an integer number (24012450).

Almost surely, 2^213282490 is an apocalyptic number.

213282490 is a deficient number, since it is larger than the sum of its proper divisors (170916710).

213282490 is a wasteful number, since it uses less digits than its factorization.

213282490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16157.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 213282490 is about 14604.1942605541. The cubic root of 213282490 is about 597.4731604454.

The spelling of 213282490 in words is "two hundred thirteen million, two hundred eighty-two thousand, four hundred ninety".