30147098 has 4 divisors (see below), whose sum is σ = 45220650. Its totient is φ = 15073548.

The previous prime is 30147083. The next prime is 30147101. The reversal of 30147098 is 89074103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89074103 = 1013 ⋅87931.

It can be written as a sum of positive squares in only one way, i.e., 28761769 + 1385329 = 5363^2 + 1177^2 .

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7536773 + ... + 7536776.

Almost surely, 2^30147098 is an apocalyptic number.

30147098 is a deficient number, since it is larger than the sum of its proper divisors (15073552).

30147098 is a wasteful number, since it uses less digits than its factorization.

30147098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15073551.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 30147098 is about 5490.6373036288. The cubic root of 30147098 is about 311.2302757886.

The spelling of 30147098 in words is "thirty million, one hundred forty-seven thousand, ninety-eight".