30152742 has 16 divisors (see below), whose sum is σ = 60903792. Its totient is φ = 9951200.

The previous prime is 30152657. The next prime is 30152767. The reversal of 30152742 is 24725103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24273 + ... + 25484.

It is an arithmetic number, because the mean of its divisors is an integer number (3806487).

Almost surely, 2^30152742 is an apocalyptic number.

30152742 is an abundant number, since it is smaller than the sum of its proper divisors (30751050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30152742 is a wasteful number, since it uses less digits than its factorization.

30152742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49863.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 30152742 is about 5491.1512454129. The cubic root of 30152742 is about 311.2496969401.

Adding to 30152742 its reverse (24725103), we get a palindrome (54877845).

The spelling of 30152742 in words is "thirty million, one hundred fifty-two thousand, seven hundred forty-two".