210051434 has 8 divisors (see below), whose sum is σ = 316199268. Its totient is φ = 104651680.

The previous prime is 210051427. The next prime is 210051451. The reversal of 210051434 is 434150012.

It can be written as a sum of positive squares in 2 ways, for example, as 208369225 + 1682209 = 14435^2 + 1297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 186317 + ... + 187440.

Almost surely, 2^210051434 is an apocalyptic number.

210051434 is a deficient number, since it is larger than the sum of its proper divisors (106147834).

210051434 is a wasteful number, since it uses less digits than its factorization.

210051434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374040.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 210051434 is about 14493.1512791387. The cubic root of 210051434 is about 594.4407182487.

The spelling of 210051434 in words is "two hundred ten million, fifty-one thousand, four hundred thirty-four".