Base | Representation |
---|---|
bin | 10110101010010… |
… | …111111100001011 |
3 | 222111102111202112 |
4 | 112222113330023 |
5 | 1234313104414 |
6 | 101421052535 |
7 | 12264463544 |
oct | 2652277413 |
9 | 874374675 |
10 | 380206859 |
11 | 18568704a |
12 | a73b714b |
13 | 60a01396 |
14 | 386d14cb |
15 | 235a3d3e |
hex | 16a97f0b |
380206859 has 8 divisors (see below), whose sum is σ = 397889280. Its totient is φ = 362620456.
The previous prime is 380206831. The next prime is 380206861. The reversal of 380206859 is 958602083.
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 380206859 - 216 = 380141323 is a prime.
It is a super-3 number, since 3×3802068593 (a number of 27 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (380206759) 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, 15839 + ... + 31800.
It is an arithmetic number, because the mean of its divisors is an integer number (49736160).
Almost surely, 2380206859 is an apocalyptic number.
380206859 is a deficient number, since it is larger than the sum of its proper divisors (17682421).
380206859 is a wasteful number, since it uses less digits than its factorization.
380206859 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48009.
The product of its (nonzero) digits is 103680, while the sum is 41.
The square root of 380206859 is about 19498.8937891358. The cubic root of 380206859 is about 724.4470513884.
The spelling of 380206859 in words is "three hundred eighty million, two hundred six thousand, eight hundred fifty-nine".
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