100993500 has 96 divisors (see below), whose sum is σ = 326813760. Its totient is φ = 26928000.

The previous prime is 100993471. The next prime is 100993511. The reversal of 100993500 is 5399001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9760 + ... + 17240.

It is an arithmetic number, because the mean of its divisors is an integer number (3404310).

Almost surely, 2^100993500 is an apocalyptic number.

100993500 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 100993500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163406880).

100993500 is an abundant number, since it is smaller than the sum of its proper divisors (225820260).

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

100993500 is a wasteful number, since it uses less digits than its factorization.

100993500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7509 (or 7491 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 100993500 is about 10049.5522288309. The cubic root of 100993500 is about 465.6909602816.

The spelling of 100993500 in words is "one hundred million, nine hundred ninety-three thousand, five hundred".