Search a number
-
+
248125 = 54397
BaseRepresentation
bin111100100100111101
3110121100211
4330210331
530420000
65152421
72052253
oct744475
9417324
10248125
1115a469
12bb711
1388c27
14665d3
154d7ba
hex3c93d

248125 has 10 divisors (see below), whose sum is σ = 310838. Its totient is φ = 198000.

The previous prime is 248119. The next prime is 248137. The reversal of 248125 is 521842.

It can be written as a sum of positive squares in 5 ways, for example, as 76729 + 171396 = 277^2 + 414^2 .

It is not a de Polignac number, because 248125 - 23 = 248117 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 248096 and 248105.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 427 + ... + 823.

2248125 is an apocalyptic number.

248125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

248125 is a deficient number, since it is larger than the sum of its proper divisors (62713).

248125 is an frugal number, since it uses more digits than its factorization.

248125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 402 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 248125 is about 498.1214711293. The cubic root of 248125 is about 62.8381669894.

Adding to 248125 its reverse (521842), we get a palindrome (769967).

It can be divided in two parts, 248 and 125, that added together give a palindrome (373).

The spelling of 248125 in words is "two hundred forty-eight thousand, one hundred twenty-five".

Divisors: 1 5 25 125 397 625 1985 9925 49625 248125