Base | Representation |
---|---|
bin | 1000011111010… |
… | …00011100111100 |
3 | 11221222200020210 |
4 | 10033220130330 |
5 | 121212103331 |
6 | 11022112420 |
7 | 1523150520 |
oct | 417503474 |
9 | 157880223 |
10 | 71206716 |
11 | 37215729 |
12 | 1ba1b710 |
13 | 119a1b69 |
14 | 9657d80 |
15 | 63b8446 |
hex | 43e873c |
71206716 has 48 divisors (see below), whose sum is σ = 196439040. Its totient is φ = 19642560.
The previous prime is 71206711. The next prime is 71206831. The reversal of 71206716 is 61760217.
It is a happy number.
It is a super-3 number, since 3×712067163 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71206711) 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, 12180 + ... + 17051.
It is an arithmetic number, because the mean of its divisors is an integer number (4092480).
Almost surely, 271206716 is an apocalyptic number.
It is an amenable number.
71206716 is an abundant number, since it is smaller than the sum of its proper divisors (125232324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71206716 is a wasteful number, since it uses less digits than its factorization.
71206716 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29274 (or 29272 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 30.
The square root of 71206716 is about 8438.4071956738. The cubic root of 71206716 is about 414.4832509530.
The spelling of 71206716 in words is "seventy-one million, two hundred six thousand, seven hundred sixteen".
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