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13201609 = 231015683
BaseRepresentation
bin110010010111…
…000011001001
3220211201012111
4302113003021
511334422414
61150542321
7220132441
oct62270311
926751174
1013201609
1174a7623
1245079a1
132972c05
141a79121
15125b8c4
hexc970c9

13201609 has 8 divisors (see below), whose sum is σ = 13914432. Its totient is φ = 12500400.

The previous prime is 13201579. The next prime is 13201633. The reversal of 13201609 is 90610231.

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 13201609 - 25 = 13201577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13201609.

It is not an unprimeable number, because it can be changed into a prime (13201649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519 + ... + 5164.

It is an arithmetic number, because the mean of its divisors is an integer number (1739304).

Almost surely, 213201609 is an apocalyptic number.

It is an amenable number.

13201609 is a deficient number, since it is larger than the sum of its proper divisors (712823).

13201609 is a wasteful number, since it uses less digits than its factorization.

13201609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5807.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 13201609 is about 3633.4018495069. The cubic root of 13201609 is about 236.3427522296.

The spelling of 13201609 in words is "thirteen million, two hundred one thousand, six hundred nine".

Divisors: 1 23 101 2323 5683 130709 573983 13201609