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71135368 = 238891921
BaseRepresentation
bin1000011110101…
…11000010001000
311221212001101021
410033113002020
5121202312433
611020402224
71522432513
oct417270210
9157761337
1071135368
1137177067
121b9a6374
1311978545
149639d7a
1563a222d
hex43d7088

71135368 has 8 divisors (see below), whose sum is σ = 133378830. Its totient is φ = 35567680.

The previous prime is 71135357. The next prime is 71135413. The reversal of 71135368 is 86353117.

It can be written as a sum of positive squares in only one way, i.e., 44116164 + 27019204 = 6642^2 + 5198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4445953 + ... + 4445968.

Almost surely, 271135368 is an apocalyptic number.

It is an amenable number.

71135368 is a deficient number, since it is larger than the sum of its proper divisors (62243462).

71135368 is a wasteful number, since it uses less digits than its factorization.

71135368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8891927 (or 8891923 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 71135368 is about 8434.1785610692. The cubic root of 71135368 is about 414.3447694763.

The spelling of 71135368 in words is "seventy-one million, one hundred thirty-five thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 8891921 17783842 35567684 71135368