Search a number
-
+
9988875 = 325313683
BaseRepresentation
bin100110000110…
…101100001011
3200210111011100
4212012230023
510024121000
6554032443
7150622041
oct46065413
920714140
109988875
115702876
123418723
1320b97a0
141480391
15d24a00
hex986b0b

9988875 has 48 divisors (see below), whose sum is σ = 19420128. Its totient is φ = 4910400.

The previous prime is 9988873. The next prime is 9988879. The reversal of 9988875 is 5788899.

It is not a de Polignac number, because 9988875 - 21 = 9988873 is a prime.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9988873) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 14284 + ... + 14966.

It is an arithmetic number, because the mean of its divisors is an integer number (404586).

Almost surely, 29988875 is an apocalyptic number.

9988875 is a deficient number, since it is larger than the sum of its proper divisors (9431253).

9988875 is a wasteful number, since it uses less digits than its factorization.

9988875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 704 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 54.

The square root of 9988875 is about 3160.5181537210. The cubic root of 9988875 is about 215.3635457379.

The spelling of 9988875 in words is "nine million, nine hundred eighty-eight thousand, eight hundred seventy-five".

Divisors: 1 3 5 9 13 15 25 39 45 65 75 117 125 195 225 325 375 585 683 975 1125 1625 2049 2925 3415 4875 6147 8879 10245 14625 17075 26637 30735 44395 51225 79911 85375 133185 153675 221975 256125 399555 665925 768375 1109875 1997775 3329625 9988875