100505432 has 16 divisors (see below), whose sum is σ = 193044600. Its totient is φ = 49026880.

The previous prime is 100505429. The next prime is 100505467. The reversal of 100505432 is 234505001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152882 + ... + 153537.

Almost surely, 2^100505432 is an apocalyptic number.

It is an amenable number.

100505432 is a deficient number, since it is larger than the sum of its proper divisors (92539168).

100505432 is a wasteful number, since it uses less digits than its factorization.

100505432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306466 (or 306462 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 100505432 is about 10025.2397477567. The cubic root of 100505432 is about 464.9395720605.

The spelling of 100505432 in words is "one hundred million, five hundred five thousand, four hundred thirty-two".