Base | Representation |
---|---|
bin | 1000011111100… |
… | …11000010000000 |
3 | 11222001212200200 |
4 | 10033303002000 |
5 | 121220000143 |
6 | 11023045200 |
7 | 1523421042 |
oct | 417630200 |
9 | 158055620 |
10 | 71250048 |
11 | 37245241 |
12 | 1ba40800 |
13 | 119b87bc |
14 | 9669a92 |
15 | 63c61d3 |
hex | 43f3080 |
71250048 has 96 divisors (see below), whose sum is σ = 207068160. Its totient is φ = 23514624.
The previous prime is 71250041. The next prime is 71250083. The reversal of 71250048 is 84005217.
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (71250041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146061 + ... + 146547.
It is an arithmetic number, because the mean of its divisors is an integer number (2156960).
Almost surely, 271250048 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 71250048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103534080).
71250048 is an abundant number, since it is smaller than the sum of its proper divisors (135818112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71250048 is a wasteful number, since it uses less digits than its factorization.
71250048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 634 (or 619 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 71250048 is about 8440.9743513412. The cubic root of 71250048 is about 414.5673101883.
The spelling of 71250048 in words is "seventy-one million, two hundred fifty thousand, forty-eight".
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