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71128482 = 2313786531
BaseRepresentation
bin1000011110101…
…01010110100010
311221211200221020
410033111112202
5121202102412
611020310310
71522403445
oct417252642
9157750836
1071128482
1137171977
121b9a2396
1311975379
14963765c
1563a018c
hex43d55a2

71128482 has 16 divisors (see below), whose sum is σ = 143296992. Its totient is φ = 23536160.

The previous prime is 71128469. The next prime is 71128487. The reversal of 71128482 is 28482117.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71128487) 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 7 ways as a sum of consecutive naturals, for example, 42444 + ... + 44087.

It is an arithmetic number, because the mean of its divisors is an integer number (8956062).

Almost surely, 271128482 is an apocalyptic number.

71128482 is an abundant number, since it is smaller than the sum of its proper divisors (72168510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71128482 is a wasteful number, since it uses less digits than its factorization.

71128482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86673.

The product of its digits is 7168, while the sum is 33.

The square root of 71128482 is about 8433.7703312338. The cubic root of 71128482 is about 414.3313993331.

The spelling of 71128482 in words is "seventy-one million, one hundred twenty-eight thousand, four hundred eighty-two".

Divisors: 1 2 3 6 137 274 411 822 86531 173062 259593 519186 11854747 23709494 35564241 71128482