Base | Representation |
---|---|
bin | 100010011101001… |
… | …110000110100111 |
3 | 1111021202202221012 |
4 | 202131032012213 |
5 | 2140442212122 |
6 | 133210212435 |
7 | 20216433563 |
oct | 4235160647 |
9 | 1437682835 |
10 | 578085287 |
11 | 27735003a |
12 | 14172411b |
13 | 929c4b00 |
14 | 56ac06a3 |
15 | 35b3e7e2 |
hex | 2274e1a7 |
578085287 has 12 divisors (see below), whose sum is σ = 631534464. Its totient is φ = 528877440.
The previous prime is 578085259. The next prime is 578085301. The reversal of 578085287 is 782580875.
578085287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 578085287 - 28 = 578085031 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 (578085247) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3962 + ... + 34232.
It is an arithmetic number, because the mean of its divisors is an integer number (52627872).
Almost surely, 2578085287 is an apocalyptic number.
578085287 is a deficient number, since it is larger than the sum of its proper divisors (53449177).
578085287 is a wasteful number, since it uses less digits than its factorization.
578085287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30410 (or 30397 counting only the distinct ones).
The product of its (nonzero) digits is 1254400, while the sum is 50.
The square root of 578085287 is about 24043.4042306825. The cubic root of 578085287 is about 833.0363875159.
The spelling of 578085287 in words is "five hundred seventy-eight million, eighty-five thousand, two hundred eighty-seven".
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