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1322725 = 52157337
BaseRepresentation
bin101000010111011100101
32111012102211
411002323211
5314311400
644203421
714146225
oct5027345
92435384
101322725
11823868
12539571
133740a1
14266085
151b1dba
hex142ee5

1322725 has 12 divisors (see below), whose sum is σ = 1655524. Its totient is φ = 1048320.

The previous prime is 1322693. The next prime is 1322731. The reversal of 1322725 is 5272231.

It can be written as a sum of positive squares in 6 ways, for example, as 171396 + 1151329 = 414^2 + 1073^2 .

It is not a de Polignac number, because 1322725 - 25 = 1322693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322696 and 1322705.

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 11 ways as a sum of consecutive naturals, for example, 3757 + ... + 4093.

21322725 is an apocalyptic number.

It is an amenable number.

1322725 is a deficient number, since it is larger than the sum of its proper divisors (332799).

1322725 is a wasteful number, since it uses less digits than its factorization.

1322725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 499 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 1322725 is about 1150.0978219265. The cubic root of 1322725 is about 109.7715645070.

Adding to 1322725 its reverse (5272231), we get a palindrome (6594956).

The spelling of 1322725 in words is "one million, three hundred twenty-two thousand, seven hundred twenty-five".

Divisors: 1 5 25 157 337 785 1685 3925 8425 52909 264545 1322725