Base | Representation |
---|---|
bin | 10111000011110… |
… | …111010010000110 |
3 | 222221222222201020 |
4 | 113003313102012 |
5 | 1243020420323 |
6 | 102220212010 |
7 | 12405333540 |
oct | 2703672206 |
9 | 887888636 |
10 | 386888838 |
11 | 189430346 |
12 | a969a006 |
13 | 6220090b |
14 | 39550690 |
15 | 23e73ae3 |
hex | 170f7486 |
386888838 has 32 divisors (see below), whose sum is σ = 884949504. Its totient is φ = 110460672.
The previous prime is 386888837. The next prime is 386888881. The reversal of 386888838 is 838888683.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (386888837) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82431 + ... + 86997.
It is an arithmetic number, because the mean of its divisors is an integer number (27654672).
Almost surely, 2386888838 is an apocalyptic number.
386888838 is an abundant number, since it is smaller than the sum of its proper divisors (498060666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386888838 is a wasteful number, since it uses less digits than its factorization.
386888838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6596.
The product of its digits is 14155776, while the sum is 60.
The square root of 386888838 is about 19669.4900289763. The cubic root of 386888838 is about 728.6663822967. Note that the first 3 decimals are identical.
The spelling of 386888838 in words is "three hundred eighty-six million, eight hundred eighty-eight thousand, eight hundred thirty-eight".
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