Base | Representation |
---|---|
bin | 1001111001010… |
… | …00111111110110 |
3 | 12210012010001012 |
4 | 10330220333312 |
5 | 132222133210 |
6 | 12123032222 |
7 | 2025351224 |
oct | 474507766 |
9 | 183163035 |
10 | 83005430 |
11 | 42944232 |
12 | 2396b672 |
13 | 14273351 |
14 | b049b14 |
15 | 7449305 |
hex | 4f28ff6 |
83005430 has 32 divisors (see below), whose sum is σ = 154211904. Its totient is φ = 32144256.
The previous prime is 83005427. The next prime is 83005457. The reversal of 83005430 is 3450038.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 83005396 and 83005405.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96884 + ... + 97736.
It is an arithmetic number, because the mean of its divisors is an integer number (4819122).
Almost surely, 283005430 is an apocalyptic number.
83005430 is a deficient number, since it is larger than the sum of its proper divisors (71206474).
83005430 is a wasteful number, since it uses less digits than its factorization.
83005430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1160.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 83005430 is about 9110.7315842363. The cubic root of 83005430 is about 436.2165794054.
Adding to 83005430 its reverse (3450038), we get a palindrome (86455468).
The spelling of 83005430 in words is "eighty-three million, five thousand, four hundred thirty".
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