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71163104 = 2523313119
BaseRepresentation
bin1000011110111…
…01110011100000
311221220110102112
410033131303200
5121204204404
611021134452
71522606415
oct417356340
9157813375
1071163104
1137195991
121b9ba428
131198805c
14964610c
1563aa56e
hex43ddce0

71163104 has 48 divisors (see below), whose sum is σ = 150958080. Its totient is φ = 32926080.

The previous prime is 71163097. The next prime is 71163161. The reversal of 71163104 is 40136117.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 71163104.

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, 21257 + ... + 24375.

It is an arithmetic number, because the mean of its divisors is an integer number (3144960).

Almost surely, 271163104 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 71163104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75479040).

71163104 is an abundant number, since it is smaller than the sum of its proper divisors (79794976).

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

71163104 is a wasteful number, since it uses less digits than its factorization.

71163104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183 (or 3175 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 71163104 is about 8435.8226629061. The cubic root of 71163104 is about 414.3986141087.

The spelling of 71163104 in words is "seventy-one million, one hundred sixty-three thousand, one hundred four".

Divisors: 1 2 4 8 16 23 31 32 46 62 92 124 184 248 368 496 713 736 992 1426 2852 3119 5704 6238 11408 12476 22816 24952 49904 71737 96689 99808 143474 193378 286948 386756 573896 773512 1147792 1547024 2223847 2295584 3094048 4447694 8895388 17790776 35581552 71163104