Search a number
-
+
13271166 = 232737287
BaseRepresentation
bin110010101000…
…000001111110
3220222020121200
4302220001332
511344134131
61152240330
7220542306
oct62500176
926866550
1013271166
117544907
1245400a6
13299877c
141a96606
1512722e6
hexca807e

13271166 has 12 divisors (see below), whose sum is σ = 28754232. Its totient is φ = 4423716.

The previous prime is 13271149. The next prime is 13271171. The reversal of 13271166 is 66117231.

It is a super-2 number, since 2×132711662 = 352247693999112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368626 + ... + 368661.

It is an arithmetic number, because the mean of its divisors is an integer number (2396186).

Almost surely, 213271166 is an apocalyptic number.

13271166 is an abundant number, since it is smaller than the sum of its proper divisors (15483066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13271166 is a wasteful number, since it uses less digits than its factorization.

13271166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737295 (or 737292 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 13271166 is about 3642.9611581789. The cubic root of 13271166 is about 236.7571084165.

Adding to 13271166 its reverse (66117231), we get a palindrome (79388397).

The spelling of 13271166 in words is "thirteen million, two hundred seventy-one thousand, one hundred sixty-six".

Divisors: 1 2 3 6 9 18 737287 1474574 2211861 4423722 6635583 13271166