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71034243 = 3715232221
BaseRepresentation
bin1000011101111…
…10010110000011
311221122220122220
410032332112003
5121141043433
611014302123
71521531630
oct416762603
9157586586
1071034243
1137108095
121b957943
13119414c7
149611187
1563822b3
hex43be583

71034243 has 16 divisors (see below), whose sum is σ = 108362496. Its totient is φ = 40546080.

The previous prime is 71034241. The next prime is 71034251. The reversal of 71034243 is 34243017.

It is not a de Polignac number, because 71034243 - 21 = 71034241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71034241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30873 + ... + 33093.

It is an arithmetic number, because the mean of its divisors is an integer number (6772656).

Almost surely, 271034243 is an apocalyptic number.

71034243 is a deficient number, since it is larger than the sum of its proper divisors (37328253).

71034243 is a wasteful number, since it uses less digits than its factorization.

71034243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 71034243 is about 8428.1814764515. The cubic root of 71034243 is about 414.1483342065.

The spelling of 71034243 in words is "seventy-one million, thirty-four thousand, two hundred forty-three".

Divisors: 1 3 7 21 1523 2221 4569 6663 10661 15547 31983 46641 3382583 10147749 23678081 71034243