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71365064 = 2319653719
BaseRepresentation
bin1000100000011…
…11000111001000
311222021201110112
410100033013020
5121232140224
611025333452
71524410261
oct420170710
9158251415
1071365064
11373136a1
121ba97288
1311a28c64
149699968
1563ea30e
hex440f1c8

71365064 has 32 divisors (see below), whose sum is σ = 141264000. Its totient is φ = 33705792.

The previous prime is 71365057. The next prime is 71365097. The reversal of 71365064 is 46056317.

71365064 = 3252 + 3262 + ... + 6282.

It is a self number, because there is not a number n which added to its sum of digits gives 71365064.

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, 98897 + ... + 99615.

It is an arithmetic number, because the mean of its divisors is an integer number (4414500).

Almost surely, 271365064 is an apocalyptic number.

It is an amenable number.

71365064 is a deficient number, since it is larger than the sum of its proper divisors (69898936).

71365064 is a wasteful number, since it uses less digits than its factorization.

71365064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 71365064 is about 8447.7845616469. The cubic root of 71365064 is about 414.7902632066.

The spelling of 71365064 in words is "seventy-one million, three hundred sixty-five thousand, sixty-four".

Divisors: 1 2 4 8 19 38 76 152 653 719 1306 1438 2612 2876 5224 5752 12407 13661 24814 27322 49628 54644 99256 109288 469507 939014 1878028 3756056 8920633 17841266 35682532 71365064