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13671343 = 72279007
BaseRepresentation
bin110100001001…
…101110101111
3221201120120001
4310021232233
511444440333
61205005131
7224130100
oct64115657
927646501
1013671343
117798534
1246b37a7
132aa896a
141b5c3a7
151300b7d
hexd09baf

13671343 has 6 divisors (see below), whose sum is σ = 15903456. Its totient is φ = 11718252.

The previous prime is 13671319. The next prime is 13671347. The reversal of 13671343 is 34317631.

It is a happy number.

13671343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13671343 - 25 = 13671311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13671347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139455 + ... + 139552.

It is an arithmetic number, because the mean of its divisors is an integer number (2650576).

Almost surely, 213671343 is an apocalyptic number.

13671343 is a deficient number, since it is larger than the sum of its proper divisors (2232113).

13671343 is an equidigital number, since it uses as much as digits as its factorization.

13671343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279021 (or 279014 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The square root of 13671343 is about 3697.4779242073. The cubic root of 13671343 is about 239.1132963072.

Adding to 13671343 its reverse (34317631), we get a palindrome (47988974).

The spelling of 13671343 in words is "thirteen million, six hundred seventy-one thousand, three hundred forty-three".

Divisors: 1 7 49 279007 1953049 13671343