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13330255 = 52666051
BaseRepresentation
bin110010110110…
…011101001111
3221002020200011
4302312131033
511403032010
61153414051
7221206501
oct62663517
927066604
1013330255
117585244
12456a327
1329b9633
141aadd71
151284a8a
hexcb674f

13330255 has 4 divisors (see below), whose sum is σ = 15996312. Its totient is φ = 10664200.

The previous prime is 13330243. The next prime is 13330259. The reversal of 13330255 is 55203331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55203331 = 317174143.

It is not a de Polignac number, because 13330255 - 27 = 13330127 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 (13330259) 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, 1333021 + ... + 1333030.

It is an arithmetic number, because the mean of its divisors is an integer number (3999078).

Almost surely, 213330255 is an apocalyptic number.

13330255 is a deficient number, since it is larger than the sum of its proper divisors (2666057).

13330255 is an equidigital number, since it uses as much as digits as its factorization.

13330255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666056.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 13330255 is about 3651.0621742173. The cubic root of 13330255 is about 237.1079700561.

Adding to 13330255 its reverse (55203331), we get a palindrome (68533586).

The spelling of 13330255 in words is "thirteen million, three hundred thirty thousand, two hundred fifty-five".

Divisors: 1 5 2666051 13330255