Base | Representation |
---|---|
bin | 10110101100010… |
… | …001001001001001 |
3 | 222112100201202102 |
4 | 112230101021021 |
5 | 1234430001210 |
6 | 101435443145 |
7 | 12301632113 |
oct | 2654211111 |
9 | 875321672 |
10 | 380703305 |
11 | 185996034 |
12 | a75b64b5 |
13 | 60b46338 |
14 | 387c03b3 |
15 | 23650ea5 |
hex | 16b11249 |
380703305 has 8 divisors (see below), whose sum is σ = 457247112. Its totient is φ = 304293888.
The previous prime is 380703277. The next prime is 380703317. The reversal of 380703305 is 503307083.
It can be written as a sum of positive squares in 4 ways, for example, as 164378041 + 216325264 = 12821^2 + 14708^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 380703305 - 228 = 112267849 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27254 + ... + 38783.
It is an arithmetic number, because the mean of its divisors is an integer number (57155889).
Almost surely, 2380703305 is an apocalyptic number.
It is an amenable number.
380703305 is a deficient number, since it is larger than the sum of its proper divisors (76543807).
380703305 is a wasteful number, since it uses less digits than its factorization.
380703305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67195.
The product of its (nonzero) digits is 7560, while the sum is 29.
The square root of 380703305 is about 19511.6197431172. The cubic root of 380703305 is about 724.7622240473.
The spelling of 380703305 in words is "three hundred eighty million, seven hundred three thousand, three hundred five".
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