30154028 has 12 divisors (see below), whose sum is σ = 52843560. Its totient is φ = 15055872.

The previous prime is 30154027. The next prime is 30154031. The reversal of 30154028 is 82045103.

It is a junction number, because it is equal to n+sod(n) for n = 30153994 and 30154012.

It is not an unprimeable number, because it can be changed into a prime (30154027) 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, 1826 + ... + 7977.

It is an arithmetic number, because the mean of its divisors is an integer number (4403630).

Almost surely, 2^30154028 is an apocalyptic number.

It is an amenable number.

30154028 is a deficient number, since it is larger than the sum of its proper divisors (22689532).

30154028 is a wasteful number, since it uses less digits than its factorization.

30154028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10576 (or 10574 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 30154028 is about 5491.2683416493. The cubic root of 30154028 is about 311.2541217607.

The spelling of 30154028 in words is "thirty million, one hundred fifty-four thousand, twenty-eight".