Base | Representation |
---|---|
bin | 1001111001010… |
… | …10001010100001 |
3 | 12210012100121012 |
4 | 10330222022201 |
5 | 132222311314 |
6 | 12123110305 |
7 | 2025401162 |
oct | 474521241 |
9 | 183170535 |
10 | 83010209 |
11 | 42947887 |
12 | 23972395 |
13 | 14275589 |
14 | b04b769 |
15 | 744a93e |
hex | 4f2a2a1 |
83010209 has 8 divisors (see below), whose sum is σ = 86909760. Its totient is φ = 79179856.
The previous prime is 83010173. The next prime is 83010217. The reversal of 83010209 is 90201038.
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 83010209 - 212 = 83006113 is a prime.
It is a Duffinian number.
83010209 is a modest number, since divided by 10209 gives 830 as remainder.
It is not an unprimeable number, because it can be changed into a prime (83010509) 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, 14837 + ... + 19650.
It is an arithmetic number, because the mean of its divisors is an integer number (10863720).
Almost surely, 283010209 is an apocalyptic number.
It is an amenable number.
83010209 is a deficient number, since it is larger than the sum of its proper divisors (3899551).
83010209 is a wasteful number, since it uses less digits than its factorization.
83010209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34599.
The product of its (nonzero) digits is 432, while the sum is 23.
The square root of 83010209 is about 9110.9938535815. The cubic root of 83010209 is about 436.2249509020.
The spelling of 83010209 in words is "eighty-three million, ten thousand, two hundred nine".
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