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71083892 = 22112370241
BaseRepresentation
bin1000011110010…
…10011101110100
311221202102202202
410033022131310
5121144141032
611015324032
71522126445
oct417123564
9157672682
1071083892
1137141420
121b980618
131195ac99
1496252cc
156391d62
hex43ca774

71083892 has 24 divisors (see below), whose sum is σ = 141607872. Its totient is φ = 30905600.

The previous prime is 71083889. The next prime is 71083913. The reversal of 71083892 is 29838017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34109 + ... + 36132.

It is an arithmetic number, because the mean of its divisors is an integer number (5900328).

Almost surely, 271083892 is an apocalyptic number.

It is an amenable number.

71083892 is a deficient number, since it is larger than the sum of its proper divisors (70523980).

71083892 is a wasteful number, since it uses less digits than its factorization.

71083892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70279 (or 70277 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 71083892 is about 8431.1263778928. The cubic root of 71083892 is about 414.2448006479.

The spelling of 71083892 in words is "seventy-one million, eighty-three thousand, eight hundred ninety-two".

Divisors: 1 2 4 11 22 23 44 46 92 253 506 1012 70241 140482 280964 772651 1545302 1615543 3090604 3231086 6462172 17770973 35541946 71083892