100428704 has 12 divisors (see below), whose sum is σ = 197719074. Its totient is φ = 50214336.

The previous prime is 100428703. The next prime is 100428709. The reversal of 100428704 is 407824001.

It can be written as a sum of positive squares in only one way, i.e., 81938704 + 18490000 = 9052^2 + 4300^2 .

It is not an unprimeable number, because it can be changed into a prime (100428703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569167 + ... + 1569230.

Almost surely, 2^100428704 is an apocalyptic number.

It is an amenable number.

100428704 is a deficient number, since it is larger than the sum of its proper divisors (97290370).

100428704 is an equidigital number, since it uses as much as digits as its factorization.

100428704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138407 (or 3138399 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 100428704 is about 10021.4122757224. The cubic root of 100428704 is about 464.8212269963.

The spelling of 100428704 in words is "one hundred million, four hundred twenty-eight thousand, seven hundred four".