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13164545 = 517154877
BaseRepresentation
bin110010001110…
…000000000001
3220202211100202
4302032000001
511332231140
61150054545
7216616412
oct62160001
926684322
1013164545
117481799
1244aa455
13295c094
141a69809
151250915
hexc8e001

13164545 has 8 divisors (see below), whose sum is σ = 16726824. Its totient is φ = 9912064.

The previous prime is 13164527. The next prime is 13164577. The reversal of 13164545 is 54546131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4068289 + 9096256 = 2017^2 + 3016^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13164545 - 218 = 12902401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77354 + ... + 77523.

It is an arithmetic number, because the mean of its divisors is an integer number (2090853).

It is a Proth number, since it is equal to 1607 ⋅ 213 + 1 and 1607 < 213.

Almost surely, 213164545 is an apocalyptic number.

It is an amenable number.

13164545 is a deficient number, since it is larger than the sum of its proper divisors (3562279).

13164545 is a wasteful number, since it uses less digits than its factorization.

13164545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154899.

The product of its digits is 7200, while the sum is 29.

The square root of 13164545 is about 3628.2978102686. The cubic root of 13164545 is about 236.1213646092.

The spelling of 13164545 in words is "thirteen million, one hundred sixty-four thousand, five hundred forty-five".

Divisors: 1 5 17 85 154877 774385 2632909 13164545