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82271371 = 7136114821
BaseRepresentation
bin1001110011101…
…01110010001011
312201210211002211
410321311302023
5132030140441
612055205551
72016203140
oct471656213
9181724084
1082271371
1142492776
12236768b7
13140771b0
14acd83c7
157351a81
hex4e75c8b

82271371 has 16 divisors (see below), whose sum is σ = 102923968. Its totient is φ = 64022400.

The previous prime is 82271369. The next prime is 82271401. The reversal of 82271371 is 17317228.

It is not a de Polignac number, because 82271371 - 21 = 82271369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82271351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1860 + ... + 12961.

It is an arithmetic number, because the mean of its divisors is an integer number (6432748).

Almost surely, 282271371 is an apocalyptic number.

82271371 is a deficient number, since it is larger than the sum of its proper divisors (20652597).

82271371 is a wasteful number, since it uses less digits than its factorization.

82271371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14902.

The product of its digits is 4704, while the sum is 31.

The square root of 82271371 is about 9070.3567184538. The cubic root of 82271371 is about 434.9268754521.

Adding to 82271371 its reverse (17317228), we get a palindrome (99588599).

The spelling of 82271371 in words is "eighty-two million, two hundred seventy-one thousand, three hundred seventy-one".

Divisors: 1 7 13 61 91 427 793 5551 14821 103747 192673 904081 1348711 6328567 11753053 82271371