100028530 has 16 divisors (see below), whose sum is σ = 205773120. Its totient is φ = 34295472.

The previous prime is 100028507. The next prime is 100028573. The reversal of 100028530 is 35820001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100028498 and 100028507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714420 + ... + 714559.

It is an arithmetic number, because the mean of its divisors is an integer number (12860820).

Almost surely, 2^100028530 is an apocalyptic number.

100028530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100028530 is an abundant number, since it is smaller than the sum of its proper divisors (105744590).

100028530 is a wasteful number, since it uses less digits than its factorization.

100028530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428993.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 100028530 is about 10001.4263982694. The cubic root of 100028530 is about 464.2030206739.

Adding to 100028530 its reverse (35820001), we get a palindrome (135848531).

The spelling of 100028530 in words is "one hundred million, twenty-eight thousand, five hundred thirty".