Base | Representation |
---|---|
bin | 1000011101101… |
… | …10000000110011 |
3 | 11221121011211220 |
4 | 10032312000303 |
5 | 121134000430 |
6 | 11013440123 |
7 | 1521330264 |
oct | 416660063 |
9 | 157534756 |
10 | 71000115 |
11 | 3709448a |
12 | 1b940043 |
13 | 1192bb04 |
14 | 960296b |
15 | 6377110 |
hex | 43b6033 |
71000115 has 8 divisors (see below), whose sum is σ = 113600208. Its totient is φ = 37866720.
The previous prime is 71000107. The next prime is 71000117. The reversal of 71000115 is 51100017.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 71000115 - 23 = 71000107 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 4733341 = 71000115 / (7 + 1 + 0 + 0 + 0 + 1 + 1 + 5).
It is a junction number, because it is equal to n+sod(n) for n = 71000094 and 71000103.
It is not an unprimeable number, because it can be changed into a prime (71000117) 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, 2366656 + ... + 2366685.
It is an arithmetic number, because the mean of its divisors is an integer number (14200026).
Almost surely, 271000115 is an apocalyptic number.
71000115 is a deficient number, since it is larger than the sum of its proper divisors (42600093).
71000115 is a wasteful number, since it uses less digits than its factorization.
71000115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4733349.
The product of its (nonzero) digits is 35, while the sum is 15.
The square root of 71000115 is about 8426.1565971681. The cubic root of 71000115 is about 414.0819985074.
The spelling of 71000115 in words is "seventy-one million, one hundred fifteen", and thus it is an aban number.
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