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71015896 = 2372296247
BaseRepresentation
bin1000011101110…
…01110111011000
311221121222111101
410032321313120
5121140002041
611014041144
71521424300
oct416716730
9157558441
1071015896
11370a5326
121b9491b4
1311936053
149608600
15637bb31
hex43b9dd8

71015896 has 48 divisors (see below), whose sum is σ = 160261200. Its totient is φ = 29381184.

The previous prime is 71015873. The next prime is 71015899. The reversal of 71015896 is 69851017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71015899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8245 + ... + 14491.

It is an arithmetic number, because the mean of its divisors is an integer number (3338775).

Almost surely, 271015896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71015896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80130600).

71015896 is an abundant number, since it is smaller than the sum of its proper divisors (89245304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71015896 is a wasteful number, since it uses less digits than its factorization.

71015896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296 (or 6285 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 71015896 is about 8427.0929744485. The cubic root of 71015896 is about 414.1126751898.

The spelling of 71015896 in words is "seventy-one million, fifteen thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 29 49 56 58 98 116 196 203 232 392 406 812 1421 1624 2842 5684 6247 11368 12494 24988 43729 49976 87458 174916 181163 306103 349832 362326 612206 724652 1224412 1268141 1449304 2448824 2536282 5072564 8876987 10145128 17753974 35507948 71015896