Search a number
-
+
271055381 = 594594159
BaseRepresentation
bin10000001001111…
…111101000010101
3200220001001002012
4100021333220111
51023342233011
642521354005
76500634632
oct2011775025
9626031065
10271055381
1112a004a13
1276938905
13442052cc
1427ddb189
1518be2a8b
hex1027fa15

271055381 has 4 divisors (see below), whose sum is σ = 275649600. Its totient is φ = 266461164.

The previous prime is 271055371. The next prime is 271055443. The reversal of 271055381 is 183550172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 271055381 - 226 = 203946517 is a prime.

It is a super-2 number, since 2×2710553812 = 146942039138110322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271055321) 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, 2297021 + ... + 2297138.

It is an arithmetic number, because the mean of its divisors is an integer number (68912400).

Almost surely, 2271055381 is an apocalyptic number.

It is an amenable number.

271055381 is a deficient number, since it is larger than the sum of its proper divisors (4594219).

271055381 is an equidigital number, since it uses as much as digits as its factorization.

271055381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594218.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 271055381 is about 16463.7596253104. The cubic root of 271055381 is about 647.1714415638.

The spelling of 271055381 in words is "two hundred seventy-one million, fifty-five thousand, three hundred eighty-one".

Divisors: 1 59 4594159 271055381