30252986 has 8 divisors (see below), whose sum is σ = 45405684. Its totient is φ = 15117760.

The previous prime is 30252967. The next prime is 30252991. The reversal of 30252986 is 68925203.

It can be written as a sum of positive squares in 2 ways, for example, as 25694761 + 4558225 = 5069^2 + 2135^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1586 + ... + 7938.

Almost surely, 2^30252986 is an apocalyptic number.

30252986 is a deficient number, since it is larger than the sum of its proper divisors (15152698).

30252986 is a wasteful number, since it uses less digits than its factorization.

30252986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 30252986 is about 5500.2714478469. The cubic root of 30252986 is about 311.5942361101.

The spelling of 30252986 in words is "thirty million, two hundred fifty-two thousand, nine hundred eighty-six".