Base | Representation |
---|---|
bin | 10110111100110… |
… | …101101110101111 |
3 | 222211112102211110 |
4 | 112330311232233 |
5 | 1242033004341 |
6 | 102112523103 |
7 | 12353564244 |
oct | 2674655657 |
9 | 884472743 |
10 | 385047471 |
11 | 188392956 |
12 | a8b50493 |
13 | 61a07753 |
14 | 391d15cb |
15 | 23c0d216 |
hex | 16f35baf |
385047471 has 8 divisors (see below), whose sum is σ = 531100080. Its totient is φ = 247846592.
The previous prime is 385047469. The next prime is 385047539. The reversal of 385047471 is 174740583.
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 385047471 - 21 = 385047469 is a prime.
It is a super-3 number, since 3×3850474713 (a number of 27 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385047401) 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, 2212830 + ... + 2213003.
It is an arithmetic number, because the mean of its divisors is an integer number (66387510).
Almost surely, 2385047471 is an apocalyptic number.
385047471 is a deficient number, since it is larger than the sum of its proper divisors (146052609).
385047471 is a wasteful number, since it uses less digits than its factorization.
385047471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4425865.
The product of its (nonzero) digits is 94080, while the sum is 39.
The square root of 385047471 is about 19622.6265061536. The cubic root of 385047471 is about 727.5085333372.
The spelling of 385047471 in words is "three hundred eighty-five million, forty-seven thousand, four hundred seventy-one".
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