Base | Representation |
---|---|
bin | 10110101001110… |
… | …110011110011101 |
3 | 222111011112201212 |
4 | 112221312132131 |
5 | 1234244213124 |
6 | 101414114205 |
7 | 12263353121 |
oct | 2651663635 |
9 | 874145655 |
10 | 380069789 |
11 | 1855a3070 |
12 | a734b965 |
13 | 60983b88 |
14 | 38697581 |
15 | 2357840e |
hex | 16a7679d |
380069789 has 8 divisors (see below), whose sum is σ = 417106368. Its totient is φ = 343447360.
The previous prime is 380069759. The next prime is 380069797. The reversal of 380069789 is 987960083.
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 380069789 - 216 = 380004253 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380069719) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101612 + ... + 105285.
It is an arithmetic number, because the mean of its divisors is an integer number (52138296).
Almost surely, 2380069789 is an apocalyptic number.
It is an amenable number.
380069789 is a deficient number, since it is larger than the sum of its proper divisors (37036579).
380069789 is a wasteful number, since it uses less digits than its factorization.
380069789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 207075.
The product of its (nonzero) digits is 653184, while the sum is 50.
The square root of 380069789 is about 19495.3786575178. The cubic root of 380069789 is about 724.3599830900.
The spelling of 380069789 in words is "three hundred eighty million, sixty-nine thousand, seven hundred eighty-nine".
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