30105400 has 48 divisors (see below), whose sum is σ = 75385800. Its totient is φ = 11114880.

The previous prime is 30105389. The next prime is 30105401. The reversal of 30105400 is 450103.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30105401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3190 + ... + 8389.

Almost surely, 2^30105400 is an apocalyptic number.

It is an amenable number.

30105400 is an abundant number, since it is smaller than the sum of its proper divisors (45280400).

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

30105400 is a wasteful number, since it uses less digits than its factorization.

30105400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11608 (or 11599 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 30105400 is about 5486.8387984339. The cubic root of 30105400 is about 311.0867167192.

Adding to 30105400 its reverse (450103), we get a palindrome (30555503).

The spelling of 30105400 in words is "thirty million, one hundred five thousand, four hundred".