Base | Representation |
---|---|
bin | 110011110001111… |
… | …100011001111101 |
3 | 2020112200002012110 |
4 | 303301330121331 |
5 | 3234343333433 |
6 | 222111524233 |
7 | 30346041651 |
oct | 6361743175 |
9 | 2215602173 |
10 | 868730493 |
11 | 406415094 |
12 | 202b29679 |
13 | 10ac98917 |
14 | 8353aa61 |
15 | 51401963 |
hex | 33c7c67d |
868730493 has 16 divisors (see below), whose sum is σ = 1215922176. Its totient is φ = 550648560.
The previous prime is 868730459. The next prime is 868730503. The reversal of 868730493 is 394037868.
It is not a de Polignac number, because 868730493 - 28 = 868730237 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (868730893) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26173 + ... + 49218.
It is an arithmetic number, because the mean of its divisors is an integer number (75995136).
Almost surely, 2868730493 is an apocalyptic number.
It is an amenable number.
868730493 is a deficient number, since it is larger than the sum of its proper divisors (347191683).
868730493 is a wasteful number, since it uses less digits than its factorization.
868730493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75584.
The product of its (nonzero) digits is 870912, while the sum is 48.
The square root of 868730493 is about 29474.2343920924. The cubic root of 868730493 is about 954.1757067731.
The spelling of 868730493 in words is "eight hundred sixty-eight million, seven hundred thirty thousand, four hundred ninety-three".
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