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13143314 = 26571657
BaseRepresentation
bin110010001000…
…110100010010
3220201202020102
4302020310102
511331041224
61145412402
7216500462
oct62106422
926652212
1013143314
117467848
12449a102
132952512
141a61ba2
1512494ae
hexc88d12

13143314 has 4 divisors (see below), whose sum is σ = 19714974. Its totient is φ = 6571656.

The previous prime is 13143313. The next prime is 13143343. The reversal of 13143314 is 41334131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41334131 = 283146057.

It can be written as a sum of positive squares in only one way, i.e., 11662225 + 1481089 = 3415^2 + 1217^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13143313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3285827 + ... + 3285830.

Almost surely, 213143314 is an apocalyptic number.

13143314 is a deficient number, since it is larger than the sum of its proper divisors (6571660).

13143314 is an equidigital number, since it uses as much as digits as its factorization.

13143314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571659.

The product of its digits is 432, while the sum is 20.

The square root of 13143314 is about 3625.3708775793. The cubic root of 13143314 is about 235.9943621175.

Adding to 13143314 its reverse (41334131), we get a palindrome (54477445).

The spelling of 13143314 in words is "thirteen million, one hundred forty-three thousand, three hundred fourteen".

Divisors: 1 2 6571657 13143314