Base | Representation |
---|---|
bin | 110011110000110… |
… | …011010000010100 |
3 | 2020112002212012020 |
4 | 303300303100110 |
5 | 3234304241433 |
6 | 222101253140 |
7 | 30343353264 |
oct | 6360632024 |
9 | 2215085166 |
10 | 868430868 |
11 | 40622aa68 |
12 | 202a041b0 |
13 | 10abc2426 |
14 | 8349d7a4 |
15 | 51392cb3 |
hex | 33c33414 |
868430868 has 48 divisors (see below), whose sum is σ = 2099153280. Its totient is φ = 279103104.
The previous prime is 868430867. The next prime is 868430887. The reversal of 868430868 is 868034868.
It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 868430868.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (868430861) 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 15 ways as a sum of consecutive naturals, for example, 345705 + ... + 348207.
It is an arithmetic number, because the mean of its divisors is an integer number (43732360).
Almost surely, 2868430868 is an apocalyptic number.
It is an amenable number.
868430868 is an abundant number, since it is smaller than the sum of its proper divisors (1230722412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
868430868 is a wasteful number, since it uses less digits than its factorization.
868430868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3536 (or 3534 counting only the distinct ones).
The product of its (nonzero) digits is 1769472, while the sum is 51.
The square root of 868430868 is about 29469.1511245234. The cubic root of 868430868 is about 954.0659958124.
The spelling of 868430868 in words is "eight hundred sixty-eight million, four hundred thirty thousand, eight hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •