Base | Representation |
---|---|
bin | 10110101010110… |
… | …101100101110001 |
3 | 222111122200100112 |
4 | 112222311211301 |
5 | 1234331001210 |
6 | 101423431105 |
7 | 12265510610 |
oct | 2652654561 |
9 | 874580315 |
10 | 380328305 |
11 | 18575a315 |
12 | a7455495 |
13 | 60a44746 |
14 | 38723877 |
15 | 235c9d05 |
hex | 16ab5971 |
380328305 has 32 divisors (see below), whose sum is σ = 541900800. Its totient is φ = 250752960.
The previous prime is 380328293. The next prime is 380328317. The reversal of 380328305 is 503823083.
It is an interprime number because it is at equal distance from previous prime (380328293) and next prime (380328317).
It is not a de Polignac number, because 380328305 - 222 = 376134001 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180146 + ... + 182244.
It is an arithmetic number, because the mean of its divisors is an integer number (16934400).
Almost surely, 2380328305 is an apocalyptic number.
380328305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
380328305 is a deficient number, since it is larger than the sum of its proper divisors (161572495).
380328305 is a wasteful number, since it uses less digits than its factorization.
380328305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2309.
The product of its (nonzero) digits is 17280, while the sum is 32.
The square root of 380328305 is about 19502.0077171557. The cubic root of 380328305 is about 724.5241776759.
The spelling of 380328305 in words is "three hundred eighty million, three hundred twenty-eight thousand, three hundred five".
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