Search a number
-
+
13488241 = 131037557
BaseRepresentation
bin110011011101…
…000001110001
3221101021101111
4303131001301
511423110431
61201033321
7222435214
oct63350161
927337344
1013488241
117682a08
124625841
132a43510
141b1177b
1512b67b1
hexcdd071

13488241 has 4 divisors (see below), whose sum is σ = 14525812. Its totient is φ = 12450672.

The previous prime is 13488203. The next prime is 13488263. The reversal of 13488241 is 14288431.

13488241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14288431 = 24235897.

It can be written as a sum of positive squares in 2 ways, for example, as 5193841 + 8294400 = 2279^2 + 2880^2 .

It is not a de Polignac number, because 13488241 - 215 = 13455473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13488941) 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, 518766 + ... + 518791.

It is an arithmetic number, because the mean of its divisors is an integer number (3631453).

Almost surely, 213488241 is an apocalyptic number.

It is an amenable number.

13488241 is a deficient number, since it is larger than the sum of its proper divisors (1037571).

13488241 is a wasteful number, since it uses less digits than its factorization.

13488241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037570.

The product of its digits is 6144, while the sum is 31.

The square root of 13488241 is about 3672.6340683493. The cubic root of 13488241 is about 238.0410034572.

The spelling of 13488241 in words is "thirteen million, four hundred eighty-eight thousand, two hundred forty-one".

Divisors: 1 13 1037557 13488241