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71064292 = 22137917299
BaseRepresentation
bin1000011110001…
…01101011100100
311221201102212211
410033011223210
5121143024132
611015053204
71522015345
oct417055344
9157642784
1071064292
1137128722
121b971204
13119520a0
14961c0cc
15638b147
hex43c5ae4

71064292 has 24 divisors (see below), whose sum is σ = 135632000. Its totient is φ = 32381856.

The previous prime is 71064289. The next prime is 71064299. The reversal of 71064292 is 29246017.

It is a super-2 number, since 2×710642922 = 10100267194922528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71064299) 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, 4542 + ... + 12757.

Almost surely, 271064292 is an apocalyptic number.

It is an amenable number.

71064292 is a deficient number, since it is larger than the sum of its proper divisors (64567708).

71064292 is a wasteful number, since it uses less digits than its factorization.

71064292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17395 (or 17393 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 71064292 is about 8429.9639382384. The cubic root of 71064292 is about 414.2067238337.

The spelling of 71064292 in words is "seventy-one million, sixty-four thousand, two hundred ninety-two".

Divisors: 1 2 4 13 26 52 79 158 316 1027 2054 4108 17299 34598 69196 224887 449774 899548 1366621 2733242 5466484 17766073 35532146 71064292