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26327161 = 727332
BaseRepresentation
bin110010001101…
…1100001111001
31211112120002001
41210123201321
523214432121
62340141001
7436530400
oct144334171
954476061
1026327161
1113951a93
128997761
1355ba303
1436d4637
1524a0991
hex191b879

26327161 has 9 divisors (see below), whose sum is σ = 30667311. Its totient is φ = 22535352.

The previous prime is 26327159. The next prime is 26327177. The reversal of 26327161 is 16172362.

The square root of 26327161 is 5131.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 25755625 + 571536 = 5075^2 + 756^2 .

It is not a de Polignac number, because 26327161 - 21 = 26327159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26327261) 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 8 ways as a sum of consecutive naturals, for example, 35551 + ... + 36283.

It is an arithmetic number, because the mean of its divisors is an integer number (3407479).

Almost surely, 226327161 is an apocalyptic number.

26327161 is the 5131-st square number.

26327161 is the 2566-th centered octagonal number.

It is an amenable number.

26327161 is a deficient number, since it is larger than the sum of its proper divisors (4340150).

26327161 is an frugal number, since it uses more digits than its factorization.

26327161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 740 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The cubic root of 26327161 is about 297.4870121204.

The spelling of 26327161 in words is "twenty-six million, three hundred twenty-seven thousand, one hundred sixty-one".

Divisors: 1 7 49 733 5131 35917 537289 3761023 26327161