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71164468 = 22313715511
BaseRepresentation
bin1000011110111…
…10001000110100
311221220112022001
410033132020310
5121204230333
611021145044
71522613404
oct417361064
9157815261
1071164468
1137196a11
121b9bb184
131198886b
149646804
1563aab7d
hex43de234

71164468 has 24 divisors (see below), whose sum is σ = 132038144. Its totient is φ = 33501600.

The previous prime is 71164427. The next prime is 71164487. The reversal of 71164468 is 86446117.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

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, 3168 + ... + 12343.

Almost surely, 271164468 is an apocalyptic number.

It is an amenable number.

71164468 is a deficient number, since it is larger than the sum of its proper divisors (60873676).

71164468 is a wasteful number, since it uses less digits than its factorization.

71164468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15583 (or 15581 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 71164468 is about 8435.9035082201. The cubic root of 71164468 is about 414.4012617171.

The spelling of 71164468 in words is "seventy-one million, one hundred sixty-four thousand, four hundred sixty-eight".

Divisors: 1 2 4 31 37 62 74 124 148 1147 2294 4588 15511 31022 62044 480841 573907 961682 1147814 1923364 2295628 17791117 35582234 71164468