Search a number
-
+
271121 = 299349
BaseRepresentation
bin1000010001100010001
3111202220112
41002030101
532133441
65451105
72206304
oct1021421
9452815
10271121
11175774
12110a95
1396536
1470b3b
15554eb
hex42311

271121 has 4 divisors (see below), whose sum is σ = 280500. Its totient is φ = 261744.

The previous prime is 271109. The next prime is 271127. The reversal of 271121 is 121172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 192721 + 78400 = 439^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 271121 - 26 = 271057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 271096 and 271105.

It is not an unprimeable number, because it can be changed into a prime (271127) 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, 4646 + ... + 4703.

It is an arithmetic number, because the mean of its divisors is an integer number (70125).

2271121 is an apocalyptic number.

It is an amenable number.

271121 is a deficient number, since it is larger than the sum of its proper divisors (9379).

271121 is an equidigital number, since it uses as much as digits as its factorization.

271121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9378.

The product of its digits is 28, while the sum is 14.

The square root of 271121 is about 520.6928077091. The cubic root of 271121 is about 64.7223661294.

Adding to 271121 its reverse (121172), we get a palindrome (392293).

The spelling of 271121 in words is "two hundred seventy-one thousand, one hundred twenty-one", and thus it is an iban number.

Divisors: 1 29 9349 271121