Base | Representation |
---|---|
bin | 1000011110011… |
… | …11110010101010 |
3 | 11221210112200200 |
4 | 10033033302222 |
5 | 121200340311 |
6 | 11020013030 |
7 | 1522250160 |
oct | 417176252 |
9 | 157715620 |
10 | 71105706 |
11 | 37156851 |
12 | 1b991176 |
13 | 11967ba9 |
14 | 962d230 |
15 | 6398556 |
hex | 43cfcaa |
71105706 has 48 divisors (see below), whose sum is σ = 176654400. Its totient is φ = 20248704.
The previous prime is 71105681. The next prime is 71105711. The reversal of 71105706 is 60750117.
It is a self number, because there is not a number n which added to its sum of digits gives 71105706.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47010 + ... + 48498.
It is an arithmetic number, because the mean of its divisors is an integer number (3680300).
Almost surely, 271105706 is an apocalyptic number.
71105706 is an abundant number, since it is smaller than the sum of its proper divisors (105548694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71105706 is a wasteful number, since it uses less digits than its factorization.
71105706 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1883 (or 1880 counting only the distinct ones).
The product of its (nonzero) digits is 1470, while the sum is 27.
The square root of 71105706 is about 8432.4199373608. The cubic root of 71105706 is about 414.2871703590.
The spelling of 71105706 in words is "seventy-one million, one hundred five thousand, seven hundred six".
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