100244028 has 48 divisors (see below), whose sum is σ = 245177856. Its totient is φ = 31817280.

The previous prime is 100244017. The next prime is 100244059. The reversal of 100244028 is 820442001.

It is a junction number, because it is equal to n+sod(n) for n = 100243995 and 100244013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71898 + ... + 73278.

It is an arithmetic number, because the mean of its divisors is an integer number (5107872).

Almost surely, 2^100244028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100244028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122588928).

100244028 is an abundant number, since it is smaller than the sum of its proper divisors (144933828).

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

100244028 is a wasteful number, since it uses less digits than its factorization.

100244028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 100244028 is about 10012.1939653604. The cubic root of 100244028 is about 464.5361358735.

Adding to 100244028 its reverse (820442001), we get a palindrome (920686029).

The spelling of 100244028 in words is "one hundred million, two hundred forty-four thousand, twenty-eight".