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80000271 = 33131132017
BaseRepresentation
bin1001100010010…
…11010100001111
312120112102202000
410301023110033
5130440002041
611534403343
71660663641
oct461132417
9176472660
1080000271
114118142a
1222960553
1313760550
14a8a6891
157053bb6
hex4c4b50f

80000271 has 32 divisors (see below), whose sum is σ = 128829120. Its totient is φ = 48771072.

The previous prime is 80000213. The next prime is 80000273. The reversal of 80000271 is 17200008.

It is not a de Polignac number, because 80000271 - 210 = 79999247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80000273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38655 + ... + 40671.

It is an arithmetic number, because the mean of its divisors is an integer number (4025910).

Almost surely, 280000271 is an apocalyptic number.

80000271 is a deficient number, since it is larger than the sum of its proper divisors (48828849).

80000271 is a wasteful number, since it uses less digits than its factorization.

80000271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 80000271 is about 8944.2870593469. The cubic root of 80000271 is about 430.8874245490.

Adding to 80000271 its reverse (17200008), we get a palindrome (97200279).

The spelling of 80000271 in words is "eighty million, two hundred seventy-one", and thus it is an aban number.

Divisors: 1 3 9 13 27 39 113 117 339 351 1017 1469 2017 3051 4407 6051 13221 18153 26221 39663 54459 78663 227921 235989 683763 707967 2051289 2962973 6153867 8888919 26666757 80000271