Base | Representation |
---|---|
bin | 1000100000111… |
… | …11010001111110 |
3 | 11222102002022111 |
4 | 10100133101332 |
5 | 121241300134 |
6 | 11031004234 |
7 | 1525104334 |
oct | 420372176 |
9 | 158362274 |
10 | 71431294 |
11 | 37359430 |
12 | 1bb0967a |
13 | 11a5014c |
14 | 96b5b54 |
15 | 640ec64 |
hex | 441f47e |
71431294 has 16 divisors (see below), whose sum is σ = 118298880. Its totient is φ = 32076760.
The previous prime is 71431291. The next prime is 71431309. The reversal of 71431294 is 49213417.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71431291) 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, 17734 + ... + 21385.
It is an arithmetic number, because the mean of its divisors is an integer number (7393680).
Almost surely, 271431294 is an apocalyptic number.
71431294 is a deficient number, since it is larger than the sum of its proper divisors (46867586).
71431294 is a wasteful number, since it uses less digits than its factorization.
71431294 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39215.
The product of its digits is 6048, while the sum is 31.
The square root of 71431294 is about 8451.7036152482. The cubic root of 71431294 is about 414.9185382275.
The spelling of 71431294 in words is "seventy-one million, four hundred thirty-one thousand, two hundred ninety-four".
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