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13089625 = 53104717
BaseRepresentation
bin110001111011…
…101101011001
3220122000120221
4301323231121
511322332000
61144320041
7216155113
oct61735531
926560527
1013089625
11743047a
124473021
132933c53
141a4a3b3
15123861a
hexc7bb59

13089625 has 8 divisors (see below), whose sum is σ = 16336008. Its totient is φ = 10471600.

The previous prime is 13089617. The next prime is 13089647. The reversal of 13089625 is 52698031.

It can be written as a sum of positive squares in 4 ways, for example, as 2611456 + 10478169 = 1616^2 + 3237^2 .

It is not a de Polignac number, because 13089625 - 23 = 13089617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52234 + ... + 52483.

It is an arithmetic number, because the mean of its divisors is an integer number (2042001).

Almost surely, 213089625 is an apocalyptic number.

It is an amenable number.

13089625 is a deficient number, since it is larger than the sum of its proper divisors (3246383).

13089625 is an equidigital number, since it uses as much as digits as its factorization.

13089625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104732 (or 104722 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 13089625 is about 3617.9586785921. The cubic root of 13089625 is about 235.6725865280.

The spelling of 13089625 in words is "thirteen million, eighty-nine thousand, six hundred twenty-five".

Divisors: 1 5 25 125 104717 523585 2617925 13089625