30343400 has 24 divisors (see below), whose sum is σ = 70548870. Its totient is φ = 12137280.

The previous prime is 30343363. The next prime is 30343409. The reversal of 30343400 is 434303.

30343400 = T₁₇₂ + T₁₇₃ + ... + T₅₇₁.

It can be written as a sum of positive squares in 3 ways, for example, as 14455204 + 15888196 = 3802^2 + 3986^2 .

It is not an unprimeable number, because it can be changed into a prime (30343409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75659 + ... + 76058.

Almost surely, 2^30343400 is an apocalyptic number.

It is an amenable number.

30343400 is an abundant number, since it is smaller than the sum of its proper divisors (40205470).

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

30343400 is a wasteful number, since it uses less digits than its factorization.

30343400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151733 (or 151724 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 30343400 is about 5508.4843650500. The cubic root of 30343400 is about 311.9043373165.

Adding to 30343400 its reverse (434303), we get a palindrome (30777703).

The spelling of 30343400 in words is "thirty million, three hundred forty-three thousand, four hundred".