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13140325 = 521171673
BaseRepresentation
bin110010001000…
…000101100101
3220201121010201
4302020011211
511330442300
61145350501
7216455662
oct62100545
926647121
1013140325
117465580
124498431
132951053
141a60a69
15124866a
hexc88165

13140325 has 24 divisors (see below), whose sum is σ = 18052416. Its totient is φ = 9408000.

The previous prime is 13140317. The next prime is 13140329. The reversal of 13140325 is 52304131.

13140325 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13140325 - 23 = 13140317 is a prime.

It is a super-2 number, since 2×131403252 = 345336282211250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19189 + ... + 19861.

It is an arithmetic number, because the mean of its divisors is an integer number (752184).

Almost surely, 213140325 is an apocalyptic number.

It is an amenable number.

13140325 is a deficient number, since it is larger than the sum of its proper divisors (4912091).

13140325 is a wasteful number, since it uses less digits than its factorization.

13140325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13140325 is about 3624.9586204535. The cubic root of 13140325 is about 235.9764711293.

Adding to 13140325 its reverse (52304131), we get a palindrome (65444456).

The spelling of 13140325 in words is "thirteen million, one hundred forty thousand, three hundred twenty-five".

Divisors: 1 5 11 25 55 71 275 355 673 781 1775 3365 3905 7403 16825 19525 37015 47783 185075 238915 525613 1194575 2628065 13140325