Base | Representation |
---|---|
bin | 1000100000100… |
… | …00000100001011 |
3 | 11222021220211020 |
4 | 10100100010023 |
5 | 121232301341 |
6 | 11025403523 |
7 | 1524424542 |
oct | 420200413 |
9 | 158256736 |
10 | 71368971 |
11 | 37316623 |
12 | 1ba995a3 |
13 | 11a2a97b |
14 | 969b159 |
15 | 63eb566 |
hex | 441010b |
71368971 has 8 divisors (see below), whose sum is σ = 98440080. Its totient is φ = 45938592.
The previous prime is 71368943. The next prime is 71368981. The reversal of 71368971 is 17986317.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 71368971 - 25 = 71368939 is a prime.
It is not an unprimeable number, because it can be changed into a prime (71368981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410080 + ... + 410253.
It is an arithmetic number, because the mean of its divisors is an integer number (12305010).
Almost surely, 271368971 is an apocalyptic number.
71368971 is a deficient number, since it is larger than the sum of its proper divisors (27071109).
71368971 is a wasteful number, since it uses less digits than its factorization.
71368971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 820365.
The product of its digits is 63504, while the sum is 42.
The square root of 71368971 is about 8448.0158025420. The cubic root of 71368971 is about 414.7978325311.
The spelling of 71368971 in words is "seventy-one million, three hundred sixty-eight thousand, nine hundred seventy-one".
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