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13313271 = 34437757
BaseRepresentation
bin110010110010…
…010011110111
3221001101101010
4302302103313
511402011041
61153203303
7221106126
oct62622367
927041333
1013313271
117573504
124560533
1329b199a
141aa7abd
15127ea16
hexcb24f7

13313271 has 4 divisors (see below), whose sum is σ = 17751032. Its totient is φ = 8875512.

The previous prime is 13313269. The next prime is 13313309. The reversal of 13313271 is 17231331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13313271 - 21 = 13313269 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 (13313221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2218876 + ... + 2218881.

It is an arithmetic number, because the mean of its divisors is an integer number (4437758).

Almost surely, 213313271 is an apocalyptic number.

13313271 is a deficient number, since it is larger than the sum of its proper divisors (4437761).

13313271 is an equidigital number, since it uses as much as digits as its factorization.

13313271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437760.

The product of its digits is 378, while the sum is 21.

The square root of 13313271 is about 3648.7355344009. The cubic root of 13313271 is about 237.0072279659.

The spelling of 13313271 in words is "thirteen million, three hundred thirteen thousand, two hundred seventy-one".

Divisors: 1 3 4437757 13313271