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1530125 = 5312241
BaseRepresentation
bin101110101100100001101
32212201221022
411311210031
5342431000
652443525
716002002
oct5654415
92781838
101530125
11955673
126195a5
134175cc
142bb8a9
15203585
hex17590d

1530125 has 8 divisors (see below), whose sum is σ = 1909752. Its totient is φ = 1224000.

The previous prime is 1530107. The next prime is 1530131. The reversal of 1530125 is 5210351.

It can be written as a sum of positive squares in 4 ways, for example, as 170569 + 1359556 = 413^2 + 1166^2 .

It is not a de Polignac number, because 1530125 - 214 = 1513741 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 5996 + ... + 6245.

It is an arithmetic number, because the mean of its divisors is an integer number (238719).

21530125 is an apocalyptic number.

It is an amenable number.

1530125 is a deficient number, since it is larger than the sum of its proper divisors (379627).

1530125 is an equidigital number, since it uses as much as digits as its factorization.

1530125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12256 (or 12246 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1530125 is about 1236.9822149085. The cubic root of 1530125 is about 115.2326732249.

Adding to 1530125 its reverse (5210351), we get a palindrome (6740476).

The spelling of 1530125 in words is "one million, five hundred thirty thousand, one hundred twenty-five".

Divisors: 1 5 25 125 12241 61205 306025 1530125