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99717 = 343773
BaseRepresentation
bin11000010110000101
312001210020
4120112011
511142332
62045353
7563502
oct302605
9161706
1099717
1168a12
1249859
1336507
14284a9
151e82c
hex18585

99717 has 8 divisors (see below), whose sum is σ = 136224. Its totient is φ = 64848.

The previous prime is 99713. The next prime is 99719. The reversal of 99717 is 71799.

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

It is not a de Polignac number, because 99717 - 22 = 99713 is a prime.

99717 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258 + ... + 515.

It is an arithmetic number, because the mean of its divisors is an integer number (17028).

299717 is an apocalyptic number.

99717 is the 258-th pentagonal number.

It is an amenable number.

99717 is a deficient number, since it is larger than the sum of its proper divisors (36507).

99717 is a wasteful number, since it uses less digits than its factorization.

99717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819.

The product of its digits is 3969, while the sum is 33.

The square root of 99717 is about 315.7799866996. The cubic root of 99717 is about 46.3720613119.

The spelling of 99717 in words is "ninety-nine thousand, seven hundred seventeen".

Divisors: 1 3 43 129 773 2319 33239 99717