Base | Representation |
---|---|
bin | 10110111101110… |
… | …110111000010001 |
3 | 222212000222212210 |
4 | 112331312320101 |
5 | 1242120024241 |
6 | 102122342333 |
7 | 12356055240 |
oct | 2675667021 |
9 | 885028783 |
10 | 385314321 |
11 | 188555397 |
12 | a905a9a9 |
13 | 61a9c052 |
14 | 39260957 |
15 | 23c62316 |
hex | 16f76e11 |
385314321 has 8 divisors (see below), whose sum is σ = 587145664. Its totient is φ = 220179600.
The previous prime is 385314313. The next prime is 385314343. The reversal of 385314321 is 123413583.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 385314321 - 23 = 385314313 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (385314301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9174130 + ... + 9174171.
It is an arithmetic number, because the mean of its divisors is an integer number (73393208).
Almost surely, 2385314321 is an apocalyptic number.
It is an amenable number.
385314321 is a deficient number, since it is larger than the sum of its proper divisors (201831343).
385314321 is a wasteful number, since it uses less digits than its factorization.
385314321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18348311.
The product of its digits is 8640, while the sum is 30.
The square root of 385314321 is about 19629.4248769545. The cubic root of 385314321 is about 727.6765566214.
The spelling of 385314321 in words is "three hundred eighty-five million, three hundred fourteen thousand, three hundred twenty-one".
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