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13071248 = 242693037
BaseRepresentation
bin110001110111…
…001110010000
3220121002101022
4301313032100
511321234443
61144055012
7216050411
oct61671620
926532338
1013071248
117418693
124464468
132928788
141a43808
151232e68
hexc77390

13071248 has 20 divisors (see below), whose sum is σ = 25428060. Its totient is φ = 6509184.

The previous prime is 13071241. The next prime is 13071281. The reversal of 13071248 is 84217031.

13071248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5607424 + 7463824 = 2368^2 + 2732^2 .

It is not an unprimeable number, because it can be changed into a prime (13071241) 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, 2786 + ... + 5822.

It is an arithmetic number, because the mean of its divisors is an integer number (1271403).

Almost surely, 213071248 is an apocalyptic number.

It is an amenable number.

13071248 is a deficient number, since it is larger than the sum of its proper divisors (12356812).

13071248 is a wasteful number, since it uses less digits than its factorization.

13071248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314 (or 3308 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 13071248 is about 3615.4180947713. The cubic root of 13071248 is about 235.5622451062.

Adding to 13071248 its reverse (84217031), we get a palindrome (97288279).

The spelling of 13071248 in words is "thirteen million, seventy-one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 269 538 1076 2152 3037 4304 6074 12148 24296 48592 816953 1633906 3267812 6535624 13071248