Base | Representation |
---|---|
bin | 110011110010000… |
… | …010010110011000 |
3 | 2020112201022121012 |
4 | 303302002112120 |
5 | 3234400123330 |
6 | 222112233052 |
7 | 30346202642 |
oct | 6362022630 |
9 | 2215638535 |
10 | 868754840 |
11 | 406431408 |
12 | 202b3b788 |
13 | 10aca6a25 |
14 | 83545892 |
15 | 51408c95 |
hex | 33c82598 |
868754840 has 16 divisors (see below), whose sum is σ = 1954698480. Its totient is φ = 347501920.
The previous prime is 868754813. The next prime is 868754849. The reversal of 868754840 is 48457868.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (868754849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10859396 + ... + 10859475.
It is an arithmetic number, because the mean of its divisors is an integer number (122168655).
Almost surely, 2868754840 is an apocalyptic number.
It is an amenable number.
868754840 is an abundant number, since it is smaller than the sum of its proper divisors (1085943640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
868754840 is a wasteful number, since it uses less digits than its factorization.
868754840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21718882 (or 21718878 counting only the distinct ones).
The product of its (nonzero) digits is 1720320, while the sum is 50.
The square root of 868754840 is about 29474.6474109530. The cubic root of 868754840 is about 954.1846205843.
The spelling of 868754840 in words is "eight hundred sixty-eight million, seven hundred fifty-four thousand, eight hundred forty".
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