Base | Representation |
---|---|
bin | 1011001110011… |
… | …0111101111101 |
3 | 10021121002021020 |
4 | 2303212331331 |
5 | 44023132024 |
6 | 4401054353 |
7 | 1111126233 |
oct | 263467575 |
9 | 107532236 |
10 | 47083389 |
11 | 246394a1 |
12 | 139273b9 |
13 | 99a69c2 |
14 | 6378953 |
15 | 4200979 |
hex | 2ce6f7d |
47083389 has 16 divisors (see below), whose sum is σ = 65034240. Its totient is φ = 30268080.
The previous prime is 47083381. The next prime is 47083391. The reversal of 47083389 is 98338074.
It is not a de Polignac number, because 47083389 - 23 = 47083381 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 47083389.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47083381) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31542 + ... + 33000.
It is an arithmetic number, because the mean of its divisors is an integer number (4064640).
Almost surely, 247083389 is an apocalyptic number.
It is an amenable number.
47083389 is a deficient number, since it is larger than the sum of its proper divisors (17950851).
47083389 is a wasteful number, since it uses less digits than its factorization.
47083389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1840.
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 47083389 is about 6861.7336730596. The cubic root of 47083389 is about 361.0959119827.
The spelling of 47083389 in words is "forty-seven million, eighty-three thousand, three hundred eighty-nine".
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