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13450065 = 352813191
BaseRepresentation
bin110011010011…
…101101010001
3221022100000120
4303103231101
511420400230
61200140453
7222216006
oct63235521
927270016
1013450065
117657262
124607729
132a2c025
141b018ad
1512aa310
hexcd3b51

13450065 has 16 divisors (see below), whose sum is σ = 21603456. Its totient is φ = 7145600.

The previous prime is 13450061. The next prime is 13450079. The reversal of 13450065 is 56005431.

It is not a de Polignac number, because 13450065 - 22 = 13450061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13450061) 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 15 ways as a sum of consecutive naturals, for example, 2620 + ... + 5810.

It is an arithmetic number, because the mean of its divisors is an integer number (1350216).

Almost surely, 213450065 is an apocalyptic number.

13450065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13450065 is a deficient number, since it is larger than the sum of its proper divisors (8153391).

13450065 is a wasteful number, since it uses less digits than its factorization.

13450065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 13450065 is about 3667.4330259733. The cubic root of 13450065 is about 237.8162140694.

Adding to 13450065 its reverse (56005431), we get a palindrome (69455496).

The spelling of 13450065 in words is "thirteen million, four hundred fifty thousand, sixty-five".

Divisors: 1 3 5 15 281 843 1405 3191 4215 9573 15955 47865 896671 2690013 4483355 13450065