Base | Representation |
---|---|
bin | 1011001101001… |
… | …0101101000001 |
3 | 10021102212102000 |
4 | 2303102231001 |
5 | 44013003020 |
6 | 4355214213 |
7 | 1110332235 |
oct | 263225501 |
9 | 107385360 |
10 | 47000385 |
11 | 245920a3 |
12 | 138a7369 |
13 | 9977ca3 |
14 | 63565c5 |
15 | 41d6090 |
hex | 2cd2b41 |
47000385 has 32 divisors (see below), whose sum is σ = 87194880. Its totient is φ = 23975424.
The previous prime is 47000383. The next prime is 47000389. The reversal of 47000385 is 58300074.
It is not a de Polignac number, because 47000385 - 21 = 47000383 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (47000381) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4464 + ... + 10673.
It is an arithmetic number, because the mean of its divisors is an integer number (2724840).
Almost surely, 247000385 is an apocalyptic number.
47000385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
47000385 is a deficient number, since it is larger than the sum of its proper divisors (40194495).
47000385 is a wasteful number, since it uses less digits than its factorization.
47000385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15174 (or 15168 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 47000385 is about 6855.6826793544. The cubic root of 47000385 is about 360.8835933999.
The spelling of 47000385 in words is "forty-seven million, three hundred eighty-five", and thus it is an aban number.
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