Base | Representation |
---|---|
bin | 10001000110010… |
… | …001000000111110 |
3 | 201222202202101210 |
4 | 101012101000332 |
5 | 1041413331410 |
6 | 44244145250 |
7 | 10052141424 |
oct | 2106210076 |
9 | 658682353 |
10 | 286855230 |
11 | 137a16642 |
12 | 80098226 |
13 | 47577a2c |
14 | 2a151114 |
15 | 1a2b4220 |
hex | 1119103e |
286855230 has 32 divisors (see below), whose sum is σ = 694894464. Its totient is φ = 75778976.
The previous prime is 286855223. The next prime is 286855237. The reversal of 286855230 is 32558682.
It is an interprime number because it is at equal distance from previous prime (286855223) and next prime (286855237).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (286855237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41472 + ... + 47891.
It is an arithmetic number, because the mean of its divisors is an integer number (21715452).
Almost surely, 2286855230 is an apocalyptic number.
286855230 is an abundant number, since it is smaller than the sum of its proper divisors (408039234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
286855230 is a wasteful number, since it uses less digits than its factorization.
286855230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89480.
The product of its (nonzero) digits is 115200, while the sum is 39.
The square root of 286855230 is about 16936.8010556894. The cubic root of 286855230 is about 659.5093000927.
The spelling of 286855230 in words is "two hundred eighty-six million, eight hundred fifty-five thousand, two hundred thirty".
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