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9500 = 225319
BaseRepresentation
bin10010100011100
3111000212
42110130
5301000
6111552
736461
oct22434
914025
109500
117157
1255b8
13442a
143668
152c35
hex251c

9500 has 24 divisors (see below), whose sum is σ = 21840. Its totient is φ = 3600.

The previous prime is 9497. The next prime is 9511. The reversal of 9500 is 59.

Adding to 9500 its reverse (59), we get a palindrome (9559).

It is a plaindrome in base 14.

It is a nialpdrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 9500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491 + ... + 509.

It is an arithmetic number, because the mean of its divisors is an integer number (910).

29500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10920).

9500 is an abundant number, since it is smaller than the sum of its proper divisors (12340).

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

9500 is a wasteful number, since it uses less digits than its factorization.

9500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 9500 is about 97.4679434481. The cubic root of 9500 is about 21.1791179213.

The spelling of 9500 in words is "nine thousand, five hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 125 190 250 380 475 500 950 1900 2375 4750 9500