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13256483 = 43930197
BaseRepresentation
bin110010100100…
…011100100011
3220221111110212
4302210130203
511343201413
61152044335
7220451432
oct62443443
926844425
1013256483
117534879
1245336ab
132991b96
141a91119
15126cca8
hexca4723

13256483 has 4 divisors (see below), whose sum is σ = 13287120. Its totient is φ = 13225848.

The previous prime is 13256449. The next prime is 13256527. The reversal of 13256483 is 38465231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38465231 = 75495033.

It is a cyclic number.

It is not a de Polignac number, because 13256483 - 214 = 13240099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13256423) 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, 14660 + ... + 15537.

It is an arithmetic number, because the mean of its divisors is an integer number (3321780).

Almost surely, 213256483 is an apocalyptic number.

13256483 is a deficient number, since it is larger than the sum of its proper divisors (30637).

13256483 is an equidigital number, since it uses as much as digits as its factorization.

13256483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30636.

The product of its digits is 17280, while the sum is 32.

The square root of 13256483 is about 3640.9453442753. The cubic root of 13256483 is about 236.6697614707.

The spelling of 13256483 in words is "thirteen million, two hundred fifty-six thousand, four hundred eighty-three".

Divisors: 1 439 30197 13256483