Base | Representation |
---|---|
bin | 10111010010011… |
… | …000000101011010 |
3 | 1000020011021022220 |
4 | 113102120011122 |
5 | 1300004140320 |
6 | 102433524510 |
7 | 12452560155 |
oct | 2722300532 |
9 | 1006137286 |
10 | 390693210 |
11 | 190599656 |
12 | aaa13736 |
13 | 62c3341b |
14 | 39c60c9c |
15 | 24475e40 |
hex | 1749815a |
390693210 has 32 divisors (see below), whose sum is σ = 955359360. Its totient is φ = 102218688.
The previous prime is 390693197. The next prime is 390693229. The reversal of 390693210 is 12396093.
390693210 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121270 + ... + 124449.
It is an arithmetic number, because the mean of its divisors is an integer number (29854980).
Almost surely, 2390693210 is an apocalyptic number.
390693210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
390693210 is an abundant number, since it is smaller than the sum of its proper divisors (564666150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390693210 is a wasteful number, since it uses less digits than its factorization.
390693210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 245782.
The product of its (nonzero) digits is 8748, while the sum is 33.
The square root of 390693210 is about 19765.9608924029. The cubic root of 390693210 is about 731.0469808235.
The spelling of 390693210 in words is "three hundred ninety million, six hundred ninety-three thousand, two hundred ten".
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