30256042 has 8 divisors (see below), whose sum is σ = 45565632. Its totient is φ = 15067500.

The previous prime is 30256027. The next prime is 30256043. The reversal of 30256042 is 24065203.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30256043) 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, 29634 + ... + 30637.

It is an arithmetic number, because the mean of its divisors is an integer number (5695704).

Almost surely, 2^30256042 is an apocalyptic number.

30256042 is a deficient number, since it is larger than the sum of its proper divisors (15309590).

30256042 is a wasteful number, since it uses less digits than its factorization.

30256042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60524.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30256042 is about 5500.5492453027. The cubic root of 30256042 is about 311.6047276356.

The spelling of 30256042 in words is "thirty million, two hundred fifty-six thousand, forty-two".