Base | Representation |
---|---|
bin | 10111000011101… |
… | …011001000101111 |
3 | 222221220110110121 |
4 | 113003223020233 |
5 | 1243012322322 |
6 | 102215145411 |
7 | 12405035515 |
oct | 2703531057 |
9 | 887813417 |
10 | 386839087 |
11 | 1893a6a28 |
12 | a9675267 |
13 | 621b408b |
14 | 3953a4b5 |
15 | 23e63ec7 |
hex | 170eb22f |
386839087 has 4 divisors (see below), whose sum is σ = 388235896. Its totient is φ = 385442280.
The previous prime is 386839021. The next prime is 386839127. The reversal of 386839087 is 780938683.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 386839087 - 215 = 386806319 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 (386639087) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697989 + ... + 698542.
It is an arithmetic number, because the mean of its divisors is an integer number (97058974).
Almost surely, 2386839087 is an apocalyptic number.
386839087 is a deficient number, since it is larger than the sum of its proper divisors (1396809).
386839087 is a wasteful number, since it uses less digits than its factorization.
386839087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1396808.
The product of its (nonzero) digits is 1741824, while the sum is 52.
The square root of 386839087 is about 19668.2253139423. The cubic root of 386839087 is about 728.6351472823.
The spelling of 386839087 in words is "three hundred eighty-six million, eight hundred thirty-nine thousand, eighty-seven".
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