Base | Representation |
---|---|
bin | 110011110010111… |
… | …101011011100101 |
3 | 2020120011121120001 |
4 | 303302331123211 |
5 | 3234430344322 |
6 | 222121341301 |
7 | 30351231322 |
oct | 6362753345 |
9 | 2216147501 |
10 | 868996837 |
11 | 406587205 |
12 | 203037831 |
13 | 10b05cc17 |
14 | 835a9b49 |
15 | 51455827 |
hex | 33cbd6e5 |
868996837 has 8 divisors (see below), whose sum is σ = 944982936. Its totient is φ = 795773952.
The previous prime is 868996831. The next prime is 868996883. The reversal of 868996837 is 738699868.
It can be written as a sum of positive squares in 4 ways, for example, as 226171521 + 642825316 = 15039^2 + 25354^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 868996837 - 227 = 734779109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (868996831) 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 7 ways as a sum of consecutive naturals, for example, 690148 + ... + 691405.
It is an arithmetic number, because the mean of its divisors is an integer number (118122867).
Almost surely, 2868996837 is an apocalyptic number.
It is an amenable number.
868996837 is a deficient number, since it is larger than the sum of its proper divisors (75986099).
868996837 is a wasteful number, since it uses less digits than its factorization.
868996837 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1381607.
The product of its digits is 31352832, while the sum is 64.
The square root of 868996837 is about 29478.7522972055. The cubic root of 868996837 is about 954.2732103559.
The spelling of 868996837 in words is "eight hundred sixty-eight million, nine hundred ninety-six thousand, eight hundred thirty-seven".
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