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271201 = 7174353
BaseRepresentation
bin1000010001101100001
3111210000111
41002031201
532134301
65451321
72206450
oct1021541
9453014
10271201
11175837
12110b41
1396598
1470b97
1555551
hex42361

271201 has 16 divisors (see below), whose sum is σ = 342144. Its totient is φ = 209664.

The previous prime is 271181. The next prime is 271211. The reversal of 271201 is 102172.

Adding to 271201 its reverse (102172), we get a palindrome (373373).

It is not a de Polignac number, because 271201 - 25 = 271169 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5091 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (21384).

2271201 is an apocalyptic number.

271201 is the 301-st octagonal number.

It is an amenable number.

271201 is a deficient number, since it is larger than the sum of its proper divisors (70943).

271201 is a wasteful number, since it uses less digits than its factorization.

271201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 271201 is about 520.7696227700. The cubic root of 271201 is about 64.7287314055.

The spelling of 271201 in words is "two hundred seventy-one thousand, two hundred one", and thus it is an iban number.

Divisors: 1 7 17 43 53 119 301 371 731 901 2279 5117 6307 15953 38743 271201