Base | Representation |
---|---|
bin | 10001010001000… |
… | …000010011101011 |
3 | 202012001210001120 |
4 | 101101000103223 |
5 | 1043123423004 |
6 | 44424350323 |
7 | 10115105025 |
oct | 2121002353 |
9 | 665053046 |
10 | 289670379 |
11 | 139569709 |
12 | 810153a3 |
13 | 480221bb |
14 | 2a685015 |
15 | 1a66d3d9 |
hex | 114404eb |
289670379 has 8 divisors (see below), whose sum is σ = 386339472. Its totient is φ = 193057440.
The previous prime is 289670369. The next prime is 289670393. The reversal of 289670379 is 973076982.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 289670379 - 215 = 289637611 is a prime.
It is a super-3 number, since 3×2896703793 (a number of 26 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (289670309) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 9 + ... + 24069.
It is an arithmetic number, because the mean of its divisors is an integer number (48292434).
Almost surely, 2289670379 is an apocalyptic number.
289670379 is a deficient number, since it is larger than the sum of its proper divisors (96669093).
289670379 is a wasteful number, since it uses less digits than its factorization.
289670379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28077.
The product of its (nonzero) digits is 1143072, while the sum is 51.
The square root of 289670379 is about 17019.7056084998. The cubic root of 289670379 is about 661.6597185415.
The spelling of 289670379 in words is "two hundred eighty-nine million, six hundred seventy thousand, three hundred seventy-nine".
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