Search a number
-
+
13421465 = 52684293
BaseRepresentation
bin110011001100…
…101110011001
3221020212210022
4303030232121
511413441330
61155400225
7222036431
oct63145631
927225708
1013421465
117637822
1245b3075
132a1bcc5
141ad52c1
1512a1ae5
hexcccb99

13421465 has 4 divisors (see below), whose sum is σ = 16105764. Its totient is φ = 10737168.

The previous prime is 13421453. The next prime is 13421501. The reversal of 13421465 is 56412431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56412431 = 431311917.

It can be written as a sum of positive squares in 2 ways, for example, as 6677056 + 6744409 = 2584^2 + 2597^2 .

It is a cyclic number.

It is not a de Polignac number, because 13421465 - 222 = 9227161 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342142 + ... + 1342151.

It is an arithmetic number, because the mean of its divisors is an integer number (4026441).

Almost surely, 213421465 is an apocalyptic number.

It is an amenable number.

13421465 is a deficient number, since it is larger than the sum of its proper divisors (2684299).

13421465 is an equidigital number, since it uses as much as digits as its factorization.

13421465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684298.

The product of its digits is 2880, while the sum is 26.

The square root of 13421465 is about 3663.5317659330. The cubic root of 13421465 is about 237.6475316052.

Adding to 13421465 its reverse (56412431), we get a palindrome (69833896).

The spelling of 13421465 in words is "thirteen million, four hundred twenty-one thousand, four hundred sixty-five".

Divisors: 1 5 2684293 13421465