30103450 has 48 divisors (see below), whose sum is σ = 62417880. Its totient is φ = 10725120.

The previous prime is 30103441. The next prime is 30103517. The reversal of 30103450 is 5430103.

It can be written as a sum of positive squares in 12 ways, for example, as 259081 + 29844369 = 509^2 + 5463^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18052 + ... + 19648.

Almost surely, 2^30103450 is an apocalyptic number.

30103450 is an abundant number, since it is smaller than the sum of its proper divisors (32314430).

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

30103450 is a wasteful number, since it uses less digits than its factorization.

30103450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30103450 is about 5486.6610976075. The cubic root of 30103450 is about 311.0799999597.

Adding to 30103450 its reverse (5430103), we get a palindrome (35533553).

The spelling of 30103450 in words is "thirty million, one hundred three thousand, four hundred fifty".