Base | Representation |
---|---|
bin | 1000100000000… |
… | …10111100001110 |
3 | 11222012012002020 |
4 | 10100002330032 |
5 | 121224041324 |
6 | 11024311010 |
7 | 1524112035 |
oct | 420027416 |
9 | 158165066 |
10 | 71315214 |
11 | 3728a1a3 |
12 | 1ba72466 |
13 | 11a0c369 |
14 | 968571c |
15 | 63da679 |
hex | 4402f0e |
71315214 has 16 divisors (see below), whose sum is σ = 142756560. Its totient is φ = 23750720.
The previous prime is 71315171. The next prime is 71315219. The reversal of 71315214 is 41251317.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71315219) 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, 3124 + ... + 12344.
It is an arithmetic number, because the mean of its divisors is an integer number (8922285).
Almost surely, 271315214 is an apocalyptic number.
71315214 is an abundant number, since it is smaller than the sum of its proper divisors (71441346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71315214 is a wasteful number, since it uses less digits than its factorization.
71315214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10515.
The product of its digits is 840, while the sum is 24.
The square root of 71315214 is about 8444.8335685199. The cubic root of 71315214 is about 414.6936607990.
The spelling of 71315214 in words is "seventy-one million, three hundred fifteen thousand, two hundred fourteen".
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