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13245455 = 52649091
BaseRepresentation
bin110010100001…
…110000001111
3220220221100102
4302201300033
511342323310
61151521315
7220404326
oct62416017
926827312
1013245455
117527563
12452923b
132989b62
141a8b0bd
1512698a5
hexca1c0f

13245455 has 4 divisors (see below), whose sum is σ = 15894552. Its totient is φ = 10596360.

The previous prime is 13245437. The next prime is 13245457. The reversal of 13245455 is 55454231.

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

It is not a de Polignac number, because 13245455 - 26 = 13245391 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 (13245457) 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, 1324541 + ... + 1324550.

It is an arithmetic number, because the mean of its divisors is an integer number (3973638).

Almost surely, 213245455 is an apocalyptic number.

13245455 is a deficient number, since it is larger than the sum of its proper divisors (2649097).

13245455 is an equidigital number, since it uses as much as digits as its factorization.

13245455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649096.

The product of its digits is 12000, while the sum is 29.

The square root of 13245455 is about 3639.4305873309. The cubic root of 13245455 is about 236.6041151448.

Adding to 13245455 its reverse (55454231), we get a palindrome (68699686).

The spelling of 13245455 in words is "thirteen million, two hundred forty-five thousand, four hundred fifty-five".

Divisors: 1 5 2649091 13245455