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313125 = 354167
BaseRepresentation
bin1001100011100100101
3120220112020
41030130211
540010000
610413353
72442621
oct1143445
9526466
10313125
111a428a
12131259
13ac6a7
1482181
1562ba0
hex4c725

313125 has 20 divisors (see below), whose sum is σ = 524832. Its totient is φ = 166000.

The previous prime is 313109. The next prime is 313127. The reversal of 313125 is 521313.

It is a happy number.

It is not a de Polignac number, because 313125 - 24 = 313109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

313125 is a lucky 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 313125.

It is not an unprimeable number, because it can be changed into a prime (313127) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1792 + ... + 1958.

2313125 is an apocalyptic number.

It is an amenable number.

313125 is a deficient number, since it is larger than the sum of its proper divisors (211707).

313125 is an equidigital number, since it uses as much as digits as its factorization.

313125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 175 counting only the distinct ones).

The product of its digits is 90, while the sum is 15.

The square root of 313125 is about 559.5757321400. The cubic root of 313125 is about 67.9056505818.

Adding to 313125 its reverse (521313), we get a palindrome (834438).

The spelling of 313125 in words is "three hundred thirteen thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 167 375 501 625 835 1875 2505 4175 12525 20875 62625 104375 313125