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13301089 = 174091913
BaseRepresentation
bin110010101111…
…010101100001
3221000202122221
4302233111201
511401113324
61153031041
7221025454
oct62572541
927022587
1013301089
11756533a
124555481
1329a9289
141aa349b
15127b0e4
hexcaf561

13301089 has 8 divisors (see below), whose sum is σ = 14125320. Its totient is φ = 12481536.

The previous prime is 13301051. The next prime is 13301129. The reversal of 13301089 is 98010331.

It can be written as a sum of positive squares in 4 ways, for example, as 9333025 + 3968064 = 3055^2 + 1992^2 .

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

It is not a de Polignac number, because 13301089 - 219 = 12776801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13301489) 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 7 ways as a sum of consecutive naturals, for example, 5997 + ... + 7909.

It is an arithmetic number, because the mean of its divisors is an integer number (1765665).

Almost surely, 213301089 is an apocalyptic number.

It is an amenable number.

13301089 is a deficient number, since it is larger than the sum of its proper divisors (824231).

13301089 is a wasteful number, since it uses less digits than its factorization.

13301089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 13301089 is about 3647.0658069193. The cubic root of 13301089 is about 236.9349165826.

The spelling of 13301089 in words is "thirteen million, three hundred one thousand, eighty-nine".

Divisors: 1 17 409 1913 6953 32521 782417 13301089