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994882500 = 223454173

994882500 has 300 divisors, whose sum is σ = 3453066540. Its totient is φ = 249696000.

The previous prime is 994882481. The next prime is 994882543. The reversal of 994882500 is 5288499.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 10 ways, for example, as 721244736 + 273637764 = 26856^2 + 16542^2 .

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 1275 × 765 × 1020.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 58522492 + ... + 58522508.

Almost surely, 2994882500 is an apocalyptic number.

994882500 is a gapful number since it is divisible by the number (90) 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 994882500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726533270).

994882500 is an abundant number, since it is smaller than the sum of its proper divisors (2458184040).

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

994882500 is an equidigital number, since it uses as much as digits as its factorization.

994882500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 994882500 is about 31541.7580359751. The cubic root of 994882500 is about 998.2912484981.

The spelling of 994882500 in words is "nine hundred ninety-four million, eight hundred eighty-two thousand, five hundred".