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71083104 = 2531938971
BaseRepresentation
bin1000011110010…
…10010001100000
311221202101200120
410033022101200
5121144124404
611015320240
71522124241
oct417122140
9157671616
1071083104
1137140874
121b980080
131195a811
149624cc8
1563919d9
hex43ca460

71083104 has 48 divisors (see below), whose sum is σ = 196418880. Its totient is φ = 22446720.

The previous prime is 71083097. The next prime is 71083139. The reversal of 71083104 is 40138017.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 17662 + ... + 21309.

It is an arithmetic number, because the mean of its divisors is an integer number (4092060).

Almost surely, 271083104 is an apocalyptic number.

It is an amenable number.

71083104 is an abundant number, since it is smaller than the sum of its proper divisors (125335776).

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

71083104 is a wasteful number, since it uses less digits than its factorization.

71083104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39003 (or 38995 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 71083104 is about 8431.0796461663. The cubic root of 71083104 is about 414.2432699396.

The spelling of 71083104 in words is "seventy-one million, eighty-three thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 456 608 912 1824 38971 77942 116913 155884 233826 311768 467652 623536 740449 935304 1247072 1480898 1870608 2221347 2961796 3741216 4442694 5923592 8885388 11847184 17770776 23694368 35541552 71083104