Base | Representation |
---|---|
bin | 10110111110001… |
… | …101000001110011 |
3 | 222212012121022212 |
4 | 112332031001303 |
5 | 1242130430133 |
6 | 102124322335 |
7 | 12356613602 |
oct | 2676150163 |
9 | 885177285 |
10 | 385405043 |
11 | 188607571 |
12 | a90a33ab |
13 | 61b0142a |
14 | 39285a39 |
15 | 23c7e148 |
hex | 16f8d073 |
385405043 has 8 divisors (see below), whose sum is σ = 411971616. Its totient is φ = 359656000.
The previous prime is 385405021. The next prime is 385405057. The reversal of 385405043 is 340504583.
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 385405043 - 26 = 385404979 is a prime.
It is a Duffinian number.
385405043 is a modest number, since divided by 5043 gives 3854 as remainder.
It is not an unprimeable number, because it can be changed into a prime (385405003) 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, 203408 + ... + 205293.
It is an arithmetic number, because the mean of its divisors is an integer number (51496452).
Almost surely, 2385405043 is an apocalyptic number.
385405043 is a deficient number, since it is larger than the sum of its proper divisors (26566573).
385405043 is a wasteful number, since it uses less digits than its factorization.
385405043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 408765.
The product of its (nonzero) digits is 28800, while the sum is 32.
The square root of 385405043 is about 19631.7356084479. The cubic root of 385405043 is about 727.7336624598.
The spelling of 385405043 in words is "three hundred eighty-five million, four hundred five thousand, forty-three".
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