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71034000 = 2435311839
BaseRepresentation
bin1000011101111…
…10010010010000
311221122220022220
410032332102100
5121141042000
611014301040
71521531132
oct416762220
9157586286
1071034000
1137107994
121b957780
131194136b
149611052
1563821a0
hex43be490

71034000 has 80 divisors (see below), whose sum is σ = 229032960. Its totient is φ = 18940800.

The previous prime is 71033999. The next prime is 71034059. The reversal of 71034000 is 43017.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81 + ... + 11919.

It is an arithmetic number, because the mean of its divisors is an integer number (2862912).

Almost surely, 271034000 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 71034000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114516480).

71034000 is an abundant number, since it is smaller than the sum of its proper divisors (157998960).

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

71034000 is a wasteful number, since it uses less digits than its factorization.

71034000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11865 (or 11849 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 71034000 is about 8428.1670605180. The cubic root of 71034000 is about 414.1478619546.

Adding to 71034000 its reverse (43017), we get a palindrome (71077017).

The spelling of 71034000 in words is "seventy-one million, thirty-four thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 750 1000 1200 1500 2000 3000 6000 11839 23678 35517 47356 59195 71034 94712 118390 142068 177585 189424 236780 284136 295975 355170 473560 568272 591950 710340 887925 947120 1183900 1420680 1479875 1775850 2367800 2841360 2959750 3551700 4439625 4735600 5919500 7103400 8879250 11839000 14206800 17758500 23678000 35517000 71034000