Base | Representation |
---|---|
bin | 1000100000011… |
… | …11111111011111 |
3 | 11222021220102010 |
4 | 10100033333133 |
5 | 121232244141 |
6 | 11025402303 |
7 | 1524423633 |
oct | 420177737 |
9 | 158256363 |
10 | 71368671 |
11 | 37316380 |
12 | 1ba99393 |
13 | 11a2a7aa |
14 | 969adc3 |
15 | 63eb416 |
hex | 440ffdf |
71368671 has 16 divisors (see below), whose sum is σ = 106616448. Its totient is φ = 42084000.
The previous prime is 71368657. The next prime is 71368711. The reversal of 71368671 is 17686317.
It is not a de Polignac number, because 71368671 - 25 = 71368639 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71368631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28005 + ... + 30446.
It is an arithmetic number, because the mean of its divisors is an integer number (6663528).
Almost surely, 271368671 is an apocalyptic number.
71368671 is a deficient number, since it is larger than the sum of its proper divisors (35247777).
71368671 is a wasteful number, since it uses less digits than its factorization.
71368671 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58502.
The product of its digits is 42336, while the sum is 39.
The square root of 71368671 is about 8447.9980468748. The cubic root of 71368671 is about 414.7972513284.
The spelling of 71368671 in words is "seventy-one million, three hundred sixty-eight thousand, six hundred seventy-one".
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