Base | Representation |
---|---|
bin | 110011110000111… |
… | …001100000010111 |
3 | 2020112011011022111 |
4 | 303300321200113 |
5 | 3234311101341 |
6 | 222102011451 |
7 | 30343521031 |
oct | 6360714027 |
9 | 2215134274 |
10 | 868456471 |
11 | 406248223 |
12 | 202a16b87 |
13 | 10ac00c8c |
14 | 834a8c51 |
15 | 5139a681 |
hex | 33c39817 |
868456471 has 4 divisors (see below), whose sum is σ = 906215472. Its totient is φ = 830697472.
The previous prime is 868456469. The next prime is 868456481. The reversal of 868456471 is 174654868.
868456471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 868456471 - 21 = 868456469 is a prime.
It is a super-3 number, since 3×8684564713 (a number of 28 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (868456481) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18879466 + ... + 18879511.
It is an arithmetic number, because the mean of its divisors is an integer number (226553868).
Almost surely, 2868456471 is an apocalyptic number.
868456471 is a deficient number, since it is larger than the sum of its proper divisors (37759001).
868456471 is a wasteful number, since it uses less digits than its factorization.
868456471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37759000.
The product of its digits is 1290240, while the sum is 49.
The square root of 868456471 is about 29469.5855247406. The cubic root of 868456471 is about 954.0753716160.
The spelling of 868456471 in words is "eight hundred sixty-eight million, four hundred fifty-six thousand, four hundred seventy-one".
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