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11725085 = 52345017
BaseRepresentation
bin101100101110…
…100100011101
3211001200210102
4230232210131
511000200320
61055150445
7201442631
oct54564435
924050712
1011725085
116689259
123b15425
132576b28
1417b2dc1
151069175
hexb2e91d

11725085 has 4 divisors (see below), whose sum is σ = 14070108. Its totient is φ = 9380064.

The previous prime is 11725081. The next prime is 11725151. The reversal of 11725085 is 58052711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1350244 + 10374841 = 1162^2 + 3221^2 .

It is a cyclic number.

It is not a de Polignac number, because 11725085 - 22 = 11725081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11725081) 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 3 ways as a sum of consecutive naturals, for example, 1172504 + ... + 1172513.

It is an arithmetic number, because the mean of its divisors is an integer number (3517527).

Almost surely, 211725085 is an apocalyptic number.

It is an amenable number.

11725085 is a deficient number, since it is larger than the sum of its proper divisors (2345023).

11725085 is an equidigital number, since it uses as much as digits as its factorization.

11725085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345022.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 11725085 is about 3424.1911453656. The cubic root of 11725085 is about 227.1809963627.

Adding to 11725085 its reverse (58052711), we get a palindrome (69777796).

The spelling of 11725085 in words is "eleven million, seven hundred twenty-five thousand, eighty-five".

Divisors: 1 5 2345017 11725085