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1304125 = 5310433
BaseRepresentation
bin100111110011000111101
32110020220221
410332120331
5313213000
643541341
714041054
oct4763075
92406827
101304125
11810899
1252a851
13368794
1425d39b
151ab61a
hex13e63d

1304125 has 8 divisors (see below), whose sum is σ = 1627704. Its totient is φ = 1043200.

The previous prime is 1304113. The next prime is 1304129. The reversal of 1304125 is 5214031.

It can be written as a sum of positive squares in 4 ways, for example, as 24964 + 1279161 = 158^2 + 1131^2 .

It is not a de Polignac number, because 1304125 - 29 = 1303613 is a prime.

It is a hoax number, since the sum of its digits (16) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304099 and 1304108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5092 + ... + 5341.

It is an arithmetic number, because the mean of its divisors is an integer number (203463).

21304125 is an apocalyptic number.

It is an amenable number.

1304125 is a deficient number, since it is larger than the sum of its proper divisors (323579).

1304125 is an equidigital number, since it uses as much as digits as its factorization.

1304125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10448 (or 10438 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1304125 is about 1141.9829245659. The cubic root of 1304125 is about 109.2546022111.

Adding to 1304125 its reverse (5214031), we get a palindrome (6518156).

The spelling of 1304125 in words is "one million, three hundred four thousand, one hundred twenty-five".

Divisors: 1 5 25 125 10433 52165 260825 1304125