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13159325 = 52526373
BaseRepresentation
bin110010001100…
…101110011101
3220202120012102
4302030232131
511332044300
61150014445
7216565244
oct62145635
926676172
1013159325
117478883
1244a7425
1329598aa
141a6795b
15124e0d5
hexc8cb9d

13159325 has 6 divisors (see below), whose sum is σ = 16317594. Its totient is φ = 10527440.

The previous prime is 13159297. The next prime is 13159331. The reversal of 13159325 is 52395131.

It can be written as a sum of positive squares in 3 ways, for example, as 11449 + 13147876 = 107^2 + 3626^2 .

It is not a de Polignac number, because 13159325 - 216 = 13093789 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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263162 + ... + 263211.

It is an arithmetic number, because the mean of its divisors is an integer number (2719599).

Almost surely, 213159325 is an apocalyptic number.

It is an amenable number.

13159325 is a deficient number, since it is larger than the sum of its proper divisors (3158269).

13159325 is an equidigital number, since it uses as much as digits as its factorization.

13159325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526383 (or 526378 counting only the distinct ones).

The product of its digits is 4050, while the sum is 29.

The square root of 13159325 is about 3627.5783933638. The cubic root of 13159325 is about 236.0901515676.

The spelling of 13159325 in words is "thirteen million, one hundred fifty-nine thousand, three hundred twenty-five".

Divisors: 1 5 25 526373 2631865 13159325