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9994724574 = 231665787429
BaseRepresentation
bin10010100111011101…
…10110010011011110
3221210112211121121020
421103232312103132
5130432122141244
64331433345010
7502451520462
oct112356662336
927715747536
109994724574
11426984155a
121b2b268166
13c33891213
146ab58c4a2
153d76b9d19
hex253bb64de

9994724574 has 8 divisors (see below), whose sum is σ = 19989449160. Its totient is φ = 3331574856.

The previous prime is 9994724573. The next prime is 9994724581. The reversal of 9994724574 is 4754274999.

It is a sphenic number, since it is the product of 3 distinct primes.

9994724574 is an admirable number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9994724573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832893709 + ... + 832893720.

It is an arithmetic number, because the mean of its divisors is an integer number (2498681145).

Almost surely, 29994724574 is an apocalyptic number.

9994724574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9994724574 is a wasteful number, since it uses less digits than its factorization.

9994724574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665787434.

The product of its digits is 22861440, while the sum is 60.

The square root of 9994724574 is about 99973.6193903172. The cubic root of 9994724574 is about 2154.0557713662.

The spelling of 9994724574 in words is "nine billion, nine hundred ninety-four million, seven hundred twenty-four thousand, five hundred seventy-four".

Divisors: 1 2 3 6 1665787429 3331574858 4997362287 9994724574