Base | Representation |
---|---|
bin | 1000100000000… |
… | …01101011100110 |
3 | 11222011221000010 |
4 | 10100001223212 |
5 | 121223410204 |
6 | 11024231050 |
7 | 1524061014 |
oct | 420015346 |
9 | 158157003 |
10 | 71310054 |
11 | 37286332 |
12 | 1ba6b486 |
13 | 11a09bca |
14 | 96838b4 |
15 | 63d8d89 |
hex | 4401ae6 |
71310054 has 8 divisors (see below), whose sum is σ = 142620120. Its totient is φ = 23770016.
The previous prime is 71310011. The next prime is 71310067. The reversal of 71310054 is 45001317.
It is a sphenic number, since it is the product of 3 distinct primes.
71310054 is an admirable number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 71310054.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5942499 + ... + 5942510.
It is an arithmetic number, because the mean of its divisors is an integer number (17827515).
Almost surely, 271310054 is an apocalyptic number.
71310054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71310054 is a wasteful number, since it uses less digits than its factorization.
71310054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11885014.
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 71310054 is about 8444.5280507557. The cubic root of 71310054 is about 414.6836588617.
The spelling of 71310054 in words is "seventy-one million, three hundred ten thousand, fifty-four".
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