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13429313 = 13739781
BaseRepresentation
bin110011001110…
…101001000001
3221021021112222
4303032221001
511414214223
61155500425
7222101342
oct63165101
927237488
1013429313
117642707
1245b7715
132a22751
141ad80c9
1512a40c8
hexccea41

13429313 has 4 divisors (see below), whose sum is σ = 13440468. Its totient is φ = 13418160.

The previous prime is 13429307. The next prime is 13429321. The reversal of 13429313 is 31392431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31392431 = 74484633.

It can be written as a sum of positive squares in 2 ways, for example, as 10549504 + 2879809 = 3248^2 + 1697^2 .

It is a cyclic number.

It is not a de Polignac number, because 13429313 - 214 = 13412929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13429343) 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 3 ways as a sum of consecutive naturals, for example, 3518 + ... + 6263.

It is an arithmetic number, because the mean of its divisors is an integer number (3360117).

Almost surely, 213429313 is an apocalyptic number.

It is an amenable number.

13429313 is a deficient number, since it is larger than the sum of its proper divisors (11155).

13429313 is an equidigital number, since it uses as much as digits as its factorization.

13429313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11154.

The product of its digits is 1944, while the sum is 26.

The square root of 13429313 is about 3664.6027069793. The cubic root of 13429313 is about 237.6938428542.

The spelling of 13429313 in words is "thirteen million, four hundred twenty-nine thousand, three hundred thirteen".

Divisors: 1 1373 9781 13429313