30141428 has 12 divisors (see below), whose sum is σ = 52792992. Its totient is φ = 15057720.

The previous prime is 30141407. The next prime is 30141457. The reversal of 30141428 is 82414103.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3551 + ... + 8537.

It is an arithmetic number, because the mean of its divisors is an integer number (4399416).

Almost surely, 2^30141428 is an apocalyptic number.

It is an amenable number.

30141428 is a deficient number, since it is larger than the sum of its proper divisors (22651564).

30141428 is a wasteful number, since it uses less digits than its factorization.

30141428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502 (or 6500 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 30141428 is about 5490.1209458445. The cubic root of 30141428 is about 311.2107627296.

The spelling of 30141428 in words is "thirty million, one hundred forty-one thousand, four hundred twenty-eight".