Base | Representation |
---|---|
bin | 10110101010000… |
… | …110001100000001 |
3 | 222111021211000102 |
4 | 112222012030001 |
5 | 1234303243040 |
6 | 101415332145 |
7 | 12264041546 |
oct | 2652061401 |
9 | 874254012 |
10 | 380134145 |
11 | 185637456 |
12 | a7381055 |
13 | 609a7261 |
14 | 386b2bcd |
15 | 2358c515 |
hex | 16a86301 |
380134145 has 4 divisors (see below), whose sum is σ = 456160980. Its totient is φ = 304107312.
The previous prime is 380134099. The next prime is 380134171. The reversal of 380134145 is 541431083.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 60403984 + 319730161 = 7772^2 + 17881^2 .
It is a cyclic number.
It is not a de Polignac number, because 380134145 - 226 = 313025281 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38013410 + ... + 38013419.
It is an arithmetic number, because the mean of its divisors is an integer number (114040245).
Almost surely, 2380134145 is an apocalyptic number.
It is an amenable number.
380134145 is a deficient number, since it is larger than the sum of its proper divisors (76026835).
380134145 is an equidigital number, since it uses as much as digits as its factorization.
380134145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76026834.
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 380134145 is about 19497.0291326653. The cubic root of 380134145 is about 724.4008653012.
The spelling of 380134145 in words is "three hundred eighty million, one hundred thirty-four thousand, one hundred forty-five".
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