100030000 has 100 divisors (see below), whose sum is σ = 276973840. Its totient is φ = 34272000.

The previous prime is 100029991. The next prime is 100030001. The reversal of 100030000 is 30001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (4).

It is not an unprimeable number, because it can be changed into a prime (100030001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69286 + ... + 70714.

Almost surely, 2^100030000 is an apocalyptic number.

100030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138486920).

100030000 is an abundant number, since it is smaller than the sum of its proper divisors (176943840).

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

100030000 is an equidigital number, since it uses as much as digits as its factorization.

100030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 4.

The square root of 100030000 is about 10001.4998875169. The cubic root of 100030000 is about 464.2052946088.

Adding to 100030000 its reverse (30001), we get a palindrome (100060001).

Subtracting from 100030000 its reverse (30001), we obtain a palindrome (99999999).

The spelling of 100030000 in words is "one hundred million, thirty thousand".