30930254 has 4 divisors (see below), whose sum is σ = 46395384. Its totient is φ = 15465126.

The previous prime is 30930253. The next prime is 30930283. The reversal of 30930254 is 45203903.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45203903 = 3257 ⋅13879.

It is a super-2 number, since 2×30930254² = 1913361225009032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30930253) by changing a digit.

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 as a sum of consecutive naturals, namely, 7732562 + ... + 7732565.

It is an arithmetic number, because the mean of its divisors is an integer number (11598846).

Almost surely, 2^30930254 is an apocalyptic number.

30930254 is a deficient number, since it is larger than the sum of its proper divisors (15465130).

30930254 is a wasteful number, since it uses less digits than its factorization.

30930254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15465129.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 30930254 is about 5561.4974602170. The cubic root of 30930254 is about 313.9022982980.

The spelling of 30930254 in words is "thirty million, nine hundred thirty thousand, two hundred fifty-four".