Base | Representation |
---|---|
bin | 1000011101101… |
… | …10000010111111 |
3 | 11221121012001002 |
4 | 10032312002333 |
5 | 121134002010 |
6 | 11013440515 |
7 | 1521330554 |
oct | 416660277 |
9 | 157535032 |
10 | 71000255 |
11 | 370945a7 |
12 | 1b94013b |
13 | 1192bbb1 |
14 | 9602a2b |
15 | 63771a5 |
hex | 43b60bf |
71000255 has 8 divisors (see below), whose sum is σ = 85258224. Its totient is φ = 56761600.
The previous prime is 71000243. The next prime is 71000257. The reversal of 71000255 is 55200017.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 71000255 - 26 = 71000191 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71000257) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5135 + ... + 12975.
It is an arithmetic number, because the mean of its divisors is an integer number (10657278).
Almost surely, 271000255 is an apocalyptic number.
71000255 is a deficient number, since it is larger than the sum of its proper divisors (14257969).
71000255 is a wasteful number, since it uses less digits than its factorization.
71000255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9657.
The product of its (nonzero) digits is 350, while the sum is 20.
The square root of 71000255 is about 8426.1649046289. The cubic root of 71000255 is about 414.0822706734.
The spelling of 71000255 in words is "seventy-one million, two hundred fifty-five", and thus it is an aban number.
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