30256342 has 4 divisors (see below), whose sum is σ = 45384516. Its totient is φ = 15128170.

The previous prime is 30256333. The next prime is 30256349. The reversal of 30256342 is 24365203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30256349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7564084 + ... + 7564087.

It is an arithmetic number, because the mean of its divisors is an integer number (11346129).

Almost surely, 2^30256342 is an apocalyptic number.

30256342 is a deficient number, since it is larger than the sum of its proper divisors (15128174).

30256342 is a wasteful number, since it uses less digits than its factorization.

30256342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15128173.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 30256342 is about 5500.5765152391. The cubic root of 30256342 is about 311.6057575248.

It can be divided in two parts, 302 and 56342, that added together give a square (56644 = 238²).

The spelling of 30256342 in words is "thirty million, two hundred fifty-six thousand, three hundred forty-two".