Base | Representation |
---|---|
bin | 10111001111111… |
… | …110110001000111 |
3 | 1000011222100220010 |
4 | 113033332301013 |
5 | 1244324041343 |
6 | 102412241303 |
7 | 12444333252 |
oct | 2717766107 |
9 | 1004870803 |
10 | 390065223 |
11 | 1901aa859 |
12 | aa770233 |
13 | 62a73632 |
14 | 39b3a099 |
15 | 2439ed33 |
hex | 173fec47 |
390065223 has 32 divisors (see below), whose sum is σ = 541771776. Its totient is φ = 249514848.
The previous prime is 390065209. The next prime is 390065233. The reversal of 390065223 is 322560093.
It is not a de Polignac number, because 390065223 - 25 = 390065191 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390065233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1718236 + ... + 1718462.
It is an arithmetic number, because the mean of its divisors is an integer number (16930368).
Almost surely, 2390065223 is an apocalyptic number.
390065223 is a deficient number, since it is larger than the sum of its proper divisors (151706553).
390065223 is a wasteful number, since it uses less digits than its factorization.
390065223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 483.
The product of its (nonzero) digits is 9720, while the sum is 30.
The square root of 390065223 is about 19750.0689365886. The cubic root of 390065223 is about 730.6550840764.
The spelling of 390065223 in words is "three hundred ninety million, sixty-five thousand, two hundred twenty-three".
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