Search a number
-
+
13254385 = 56143457
BaseRepresentation
bin110010100011…
…111011110001
3220221101121011
4302203323301
511343120020
61152030521
7220442344
oct62437361
926841534
1013254385
117533241
124532441
132990c41
141a9045b
15126c35a
hexca3ef1

13254385 has 8 divisors (see below), whose sum is σ = 16166376. Its totient is φ = 10429440.

The previous prime is 13254361. The next prime is 13254401. The reversal of 13254385 is 58345231.

It can be written as a sum of positive squares in 4 ways, for example, as 55696 + 13198689 = 236^2 + 3633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13254385 - 27 = 13254257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21424 + ... + 22033.

It is an arithmetic number, because the mean of its divisors is an integer number (2020797).

Almost surely, 213254385 is an apocalyptic number.

It is an amenable number.

13254385 is a deficient number, since it is larger than the sum of its proper divisors (2911991).

13254385 is an equidigital number, since it uses as much as digits as its factorization.

13254385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43523.

The product of its digits is 14400, while the sum is 31.

The square root of 13254385 is about 3640.6572208875. The cubic root of 13254385 is about 236.6572755206.

The spelling of 13254385 in words is "thirteen million, two hundred fifty-four thousand, three hundred eighty-five".

Divisors: 1 5 61 305 43457 217285 2650877 13254385