Search a number
-
+
13867271 = 111260661
BaseRepresentation
bin110100111001…
…100100000111
3222002112022122
4310321210013
512022223041
61213120155
7225604235
oct64714407
928075278
1013867271
117911760
12478905b
132b46bb2
141bad955
15133dc4b
hexd39907

13867271 has 4 divisors (see below), whose sum is σ = 15127944. Its totient is φ = 12606600.

The previous prime is 13867241. The next prime is 13867279. The reversal of 13867271 is 17276831.

13867271 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.

It is a cyclic number.

It is not a de Polignac number, because 13867271 - 214 = 13850887 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 (13867279) 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, 630320 + ... + 630341.

It is an arithmetic number, because the mean of its divisors is an integer number (3781986).

Almost surely, 213867271 is an apocalyptic number.

13867271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13867271 is a deficient number, since it is larger than the sum of its proper divisors (1260673).

13867271 is a wasteful number, since it uses less digits than its factorization.

13867271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260672.

The product of its digits is 14112, while the sum is 35.

The square root of 13867271 is about 3723.8784888876. The cubic root of 13867271 is about 240.2501500597.

The spelling of 13867271 in words is "thirteen million, eight hundred sixty-seven thousand, two hundred seventy-one".

Divisors: 1 11 1260661 13867271