Base | Representation |
---|---|
bin | 1000100100101… |
… | …01011011001110 |
3 | 12000022200010110 |
4 | 10102111123032 |
5 | 121402241324 |
6 | 11045220450 |
7 | 1532161230 |
oct | 422253316 |
9 | 160280113 |
10 | 71915214 |
11 | 37659a68 |
12 | 20101726 |
13 | 11b8c4a7 |
14 | 97a0250 |
15 | 64a8329 |
hex | 44956ce |
71915214 has 16 divisors (see below), whose sum is σ = 164377728. Its totient is φ = 20547192.
The previous prime is 71915213. The next prime is 71915231. The reversal of 71915214 is 41251917.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71915213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856092 + ... + 856175.
It is an arithmetic number, because the mean of its divisors is an integer number (10273608).
Almost surely, 271915214 is an apocalyptic number.
71915214 is an abundant number, since it is smaller than the sum of its proper divisors (92462514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71915214 is a wasteful number, since it uses less digits than its factorization.
71915214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1712279.
The product of its digits is 2520, while the sum is 30.
The square root of 71915214 is about 8480.2838395893. The cubic root of 71915214 is about 415.8534023332.
The spelling of 71915214 in words is "seventy-one million, nine hundred fifteen thousand, two hundred fourteen".
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