30146290 has 8 divisors (see below), whose sum is σ = 54263340. Its totient is φ = 12058512.

The previous prime is 30146279. The next prime is 30146297. The reversal of 30146290 is 9264103.

It can be written as a sum of positive squares in 2 ways, for example, as 26347689 + 3798601 = 5133^2 + 1949^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30146297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1507305 + ... + 1507324.

Almost surely, 2^30146290 is an apocalyptic number.

30146290 is a deficient number, since it is larger than the sum of its proper divisors (24117050).

30146290 is a wasteful number, since it uses less digits than its factorization.

30146290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014636.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 30146290 is about 5490.5637233348. The cubic root of 30146290 is about 311.2274952412.

The spelling of 30146290 in words is "thirty million, one hundred forty-six thousand, two hundred ninety".