30198152 has 8 divisors (see below), whose sum is σ = 56621550. Its totient is φ = 15099072.

The previous prime is 30198143. The next prime is 30198191. The reversal of 30198152 is 25189103.

It can be written as a sum of positive squares in only one way, i.e., 20376196 + 9821956 = 4514^2 + 3134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×30198152³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887377 + ... + 1887392.

Almost surely, 2^30198152 is an apocalyptic number.

It is an amenable number.

30198152 is a deficient number, since it is larger than the sum of its proper divisors (26423398).

30198152 is a wasteful number, since it uses less digits than its factorization.

30198152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774775 (or 3774771 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 30198152 is about 5495.2845240260. The cubic root of 30198152 is about 311.4058658161.

The spelling of 30198152 in words is "thirty million, one hundred ninety-eight thousand, one hundred fifty-two".