Base | Representation |
---|---|
bin | 1000011110000… |
… | …01111000001000 |
3 | 11221200122111210 |
4 | 10033001320020 |
5 | 121142024322 |
6 | 11014453120 |
7 | 1521622050 |
oct | 417017010 |
9 | 157618453 |
10 | 71048712 |
11 | 37117a49 |
12 | 1b9641a0 |
13 | 11947c77 |
14 | 9616560 |
15 | 638670c |
hex | 43c1e08 |
71048712 has 64 divisors (see below), whose sum is σ = 214945920. Its totient is φ = 19104768.
The previous prime is 71048711. The next prime is 71048723. The reversal of 71048712 is 21784017.
It is a self number, because there is not a number n which added to its sum of digits gives 71048712.
It is not an unprimeable number, because it can be changed into a prime (71048711) 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, 9583 + ... + 15294.
It is an arithmetic number, because the mean of its divisors is an integer number (3358530).
Almost surely, 271048712 is an apocalyptic number.
It is an amenable number.
71048712 is an abundant number, since it is smaller than the sum of its proper divisors (143897208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71048712 is a wasteful number, since it uses less digits than its factorization.
71048712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24910 (or 24906 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 30.
The square root of 71048712 is about 8429.0398029669. The cubic root of 71048712 is about 414.1764516570.
The spelling of 71048712 in words is "seventy-one million, forty-eight thousand, seven hundred twelve".
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