100388056 has 16 divisors (see below), whose sum is σ = 188391240. Its totient is φ = 50150400.

The previous prime is 100388047. The next prime is 100388059. The reversal of 100388056 is 650883001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100388059) by changing a digit.

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, 5656 + ... + 15256.

Almost surely, 2^100388056 is an apocalyptic number.

It is an amenable number.

100388056 is a deficient number, since it is larger than the sum of its proper divisors (88003184).

100388056 is a wasteful number, since it uses less digits than its factorization.

100388056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10914 (or 10910 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 100388056 is about 10019.3840130020. The cubic root of 100388056 is about 464.7585072022.

The spelling of 100388056 in words is "one hundred million, three hundred eighty-eight thousand, fifty-six".