275218030 has 16 divisors (see below), whose sum is σ = 502179984. Its totient is φ = 108578880.

The previous prime is 275218019. The next prime is 275218043. The reversal of 275218030 is 30812572.

It is a self number, because there is not a number n which added to its sum of digits gives 275218030.

It is a congruent number.

It is an unprimeable number.

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, 187776 + ... + 189235.

It is an arithmetic number, because the mean of its divisors is an integer number (31386249).

Almost surely, 2^275218030 is an apocalyptic number.

275218030 is a deficient number, since it is larger than the sum of its proper divisors (226961954).

275218030 is a wasteful number, since it uses less digits than its factorization.

275218030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377091.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 275218030 is about 16589.6965011419. The cubic root of 275218030 is about 650.4675373925.

The spelling of 275218030 in words is "two hundred seventy-five million, two hundred eighteen thousand, thirty".