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108425 = 524337
BaseRepresentation
bin11010011110001001
312111201202
4122132021
511432200
62153545
7631052
oct323611
9174652
10108425
1174509
12528b5
133a475
142b729
15221d5
hex1a789

108425 has 6 divisors (see below), whose sum is σ = 134478. Its totient is φ = 86720.

The previous prime is 108421. The next prime is 108439. The reversal of 108425 is 524801.

It can be written as a sum of positive squares in 3 ways, for example, as 841 + 107584 = 29^2 + 328^2 .

It is not a de Polignac number, because 108425 - 22 = 108421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 108397 and 108406.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 108425.

It is not an unprimeable number, because it can be changed into a prime (108421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2144 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (22413).

2108425 is an apocalyptic number.

It is an amenable number.

108425 is a deficient number, since it is larger than the sum of its proper divisors (26053).

108425 is an equidigital number, since it uses as much as digits as its factorization.

108425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347 (or 4342 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 108425 is about 329.2795165205. The cubic root of 108425 is about 47.6844169688.

The spelling of 108425 in words is "one hundred eight thousand, four hundred twenty-five".

Divisors: 1 5 25 4337 21685 108425