Base | Representation |
---|---|
bin | 1001111011011… |
… | …00010000011011 |
3 | 12210201002221122 |
4 | 10331230100123 |
5 | 132304442143 |
6 | 12132555455 |
7 | 2030606345 |
oct | 475542033 |
9 | 183632848 |
10 | 83280923 |
11 | 43012210 |
12 | 23a82b8b |
13 | 1433b86b |
14 | b0bc295 |
15 | 74a0c68 |
hex | 4f6c41b |
83280923 has 4 divisors (see below), whose sum is σ = 90851928. Its totient is φ = 75709920.
The previous prime is 83280917. The next prime is 83280937. The reversal of 83280923 is 32908238.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 83280923 - 224 = 66503707 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83280023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3785486 + ... + 3785507.
It is an arithmetic number, because the mean of its divisors is an integer number (22712982).
Almost surely, 283280923 is an apocalyptic number.
83280923 is a deficient number, since it is larger than the sum of its proper divisors (7571005).
83280923 is a wasteful number, since it uses less digits than its factorization.
83280923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7571004.
The product of its (nonzero) digits is 20736, while the sum is 35.
The square root of 83280923 is about 9125.8382080771. The cubic root of 83280923 is about 436.6986438780.
The spelling of 83280923 in words is "eighty-three million, two hundred eighty thousand, nine hundred twenty-three".
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