Base | Representation |
---|---|
bin | 10110111110010… |
… | …010111010110001 |
3 | 222212020211102102 |
4 | 112332102322301 |
5 | 1242132213134 |
6 | 102125030145 |
7 | 12360044126 |
oct | 2676227261 |
9 | 885224372 |
10 | 385429169 |
11 | 188623704 |
12 | a90b5355 |
13 | 61b0c3c8 |
14 | 3929074d |
15 | 23c8637e |
hex | 16f92eb1 |
385429169 has 8 divisors (see below), whose sum is σ = 411582720. Its totient is φ = 360133200.
The previous prime is 385429159. The next prime is 385429181. The reversal of 385429169 is 961924583.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-385429169 is a prime.
It is a super-2 number, since 2×3854291692 = 297111288632061122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (385429129) 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, 213467 + ... + 215264.
It is an arithmetic number, because the mean of its divisors is an integer number (51447840).
Almost surely, 2385429169 is an apocalyptic number.
It is an amenable number.
385429169 is a deficient number, since it is larger than the sum of its proper divisors (26153551).
385429169 is a wasteful number, since it uses less digits than its factorization.
385429169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428791.
The product of its digits is 466560, while the sum is 47.
The square root of 385429169 is about 19632.3500630974. The cubic root of 385429169 is about 727.7488472949.
The spelling of 385429169 in words is "three hundred eighty-five million, four hundred twenty-nine thousand, one hundred sixty-nine".
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