30146217 has 8 divisors (see below), whose sum is σ = 42310560. Its totient is φ = 19039680.

The previous prime is 30146201. The next prime is 30146267. The reversal of 30146217 is 71264103.

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

It is not a de Polignac number, because 30146217 - 2⁴ = 30146201 is a prime.

It is a super-2 number, since 2×30146217² = 1817588798822178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30146267) 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, 264384 + ... + 264497.

It is an arithmetic number, because the mean of its divisors is an integer number (5288820).

Almost surely, 2^30146217 is an apocalyptic number.

It is an amenable number.

30146217 is a deficient number, since it is larger than the sum of its proper divisors (12164343).

30146217 is a wasteful number, since it uses less digits than its factorization.

30146217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528903.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 30146217 is about 5490.5570755616. The cubic root of 30146217 is about 311.2272440259.

The spelling of 30146217 in words is "thirty million, one hundred forty-six thousand, two hundred seventeen".