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13171398 = 232195233
BaseRepresentation
bin110010001111…
…101011000110
3220210011202120
4302033223012
511332441043
61150150410
7216645402
oct62175306
926704676
1013171398
117486959
1244b2406
132962236
141a6c102
151252983
hexc8fac6

13171398 has 8 divisors (see below), whose sum is σ = 26342808. Its totient is φ = 4390464.

The previous prime is 13171391. The next prime is 13171399. The reversal of 13171398 is 89317131.

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

13171398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13171391) 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 3 ways as a sum of consecutive naturals, for example, 1097611 + ... + 1097622.

It is an arithmetic number, because the mean of its divisors is an integer number (3292851).

Almost surely, 213171398 is an apocalyptic number.

13171398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13171398 is a wasteful number, since it uses less digits than its factorization.

13171398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195238.

The product of its digits is 4536, while the sum is 33.

The square root of 13171398 is about 3629.2420696338. The cubic root of 13171398 is about 236.1623296662.

The spelling of 13171398 in words is "thirteen million, one hundred seventy-one thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 2195233 4390466 6585699 13171398