Base | Representation |
---|---|
bin | 10001000110000… |
… | …000110110101110 |
3 | 201222122101121020 |
4 | 101012000312232 |
5 | 1041404222123 |
6 | 44242515010 |
7 | 10051444434 |
oct | 2106006656 |
9 | 658571536 |
10 | 286789038 |
11 | 137980938 |
12 | 80065a66 |
13 | 47553873 |
14 | 2a134d54 |
15 | 1a29e7e3 |
hex | 11180dae |
286789038 has 16 divisors (see below), whose sum is σ = 573874896. Its totient is φ = 95546880.
The previous prime is 286789037. The next prime is 286789057. The reversal of 286789038 is 830987682.
It is a super-3 number, since 3×2867890383 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (286789037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368 + ... + 23988.
It is an arithmetic number, because the mean of its divisors is an integer number (35867181).
Almost surely, 2286789038 is an apocalyptic number.
286789038 is an abundant number, since it is smaller than the sum of its proper divisors (287085858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
286789038 is a wasteful number, since it uses less digits than its factorization.
286789038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24739.
The product of its (nonzero) digits is 1161216, while the sum is 51.
The square root of 286789038 is about 16934.8468549320. The cubic root of 286789038 is about 659.4585688141.
The spelling of 286789038 in words is "two hundred eighty-six million, seven hundred eighty-nine thousand, thirty-eight".
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