Search a number
-
+
108125 = 54173
BaseRepresentation
bin11010011001011101
312111022122
4122121131
511430000
62152325
7630143
oct323135
9174278
10108125
1174266
12526a5
133a2a4
142b593
1522085
hex1a65d

108125 has 10 divisors (see below), whose sum is σ = 135894. Its totient is φ = 86000.

The previous prime is 108109. The next prime is 108127. The reversal of 108125 is 521801.

It can be written as a sum of positive squares in 5 ways, for example, as 19321 + 88804 = 139^2 + 298^2 .

It is not a de Polignac number, because 108125 - 24 = 108109 is a prime.

It is a Duffinian number.

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 108125.

It is not an unprimeable number, because it can be changed into a prime (108127) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 539 + ... + 711.

2108125 is an apocalyptic number.

It is an amenable number.

108125 is a deficient number, since it is larger than the sum of its proper divisors (27769).

108125 is an frugal number, since it uses more digits than its factorization.

108125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 108125 is about 328.8236609491. The cubic root of 108125 is about 47.6403971727.

Adding to 108125 its reverse (521801), we get a palindrome (629926).

The spelling of 108125 in words is "one hundred eight thousand, one hundred twenty-five".

Divisors: 1 5 25 125 173 625 865 4325 21625 108125