30100894 has 4 divisors (see below), whose sum is σ = 45151344. Its totient is φ = 15050446.

The previous prime is 30100891. The next prime is 30100909. The reversal of 30100894 is 49800103.

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 (30100891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525222 + ... + 7525225.

It is an arithmetic number, because the mean of its divisors is an integer number (11287836).

Almost surely, 2^30100894 is an apocalyptic number.

30100894 is a deficient number, since it is larger than the sum of its proper divisors (15050450).

30100894 is a wasteful number, since it uses less digits than its factorization.

30100894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15050449.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 30100894 is about 5486.4281641155. The cubic root of 30100894 is about 311.0711953987.

Adding to 30100894 its reverse (49800103), we get a palindrome (79900997).

The spelling of 30100894 in words is "thirty million, one hundred thousand, eight hundred ninety-four".