Base | Representation |
---|---|
bin | 10111010000111… |
… | …111001000010110 |
3 | 1000012110202112020 |
4 | 113100333020112 |
5 | 1244411010404 |
6 | 102422034010 |
7 | 12446511666 |
oct | 2720771026 |
9 | 1005422466 |
10 | 390328854 |
11 | 19036a933 |
12 | aa878906 |
13 | 62b36626 |
14 | 39ba81a6 |
15 | 24402ed9 |
hex | 1743f216 |
390328854 has 8 divisors (see below), whose sum is σ = 780657720. Its totient is φ = 130109616.
The previous prime is 390328817. The next prime is 390328889. The reversal of 390328854 is 458823093.
It is a sphenic number, since it is the product of 3 distinct primes.
390328854 is an admirable number.
It is a super-3 number, since 3×3903288543 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32527399 + ... + 32527410.
It is an arithmetic number, because the mean of its divisors is an integer number (97582215).
Almost surely, 2390328854 is an apocalyptic number.
390328854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390328854 is a wasteful number, since it uses less digits than its factorization.
390328854 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65054814.
The product of its (nonzero) digits is 207360, while the sum is 42.
The square root of 390328854 is about 19756.7419884960. The cubic root of 390328854 is about 730.8196548026.
The spelling of 390328854 in words is "three hundred ninety million, three hundred twenty-eight thousand, eight hundred fifty-four".
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