Base | Representation |
---|---|
bin | 1001111001110… |
… | …11111010011101 |
3 | 12210100001022210 |
4 | 10330323322131 |
5 | 132232123114 |
6 | 12124431033 |
7 | 2026123140 |
oct | 474737235 |
9 | 183301283 |
10 | 83082909 |
11 | 42997468 |
12 | 239a8479 |
13 | 1429c6b0 |
14 | b06a057 |
15 | 7462259 |
hex | 4f3be9d |
83082909 has 32 divisors (see below), whose sum is σ = 136966144. Its totient is φ = 43623360.
The previous prime is 83082889. The next prime is 83082913. The reversal of 83082909 is 90928038.
It is not a de Polignac number, because 83082909 - 211 = 83080861 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83082919) 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, 73422 + ... + 74544.
It is an arithmetic number, because the mean of its divisors is an integer number (4280192).
Almost surely, 283082909 is an apocalyptic number.
It is an amenable number.
83082909 is a deficient number, since it is larger than the sum of its proper divisors (53883235).
83082909 is a wasteful number, since it uses less digits than its factorization.
83082909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1417.
The product of its (nonzero) digits is 31104, while the sum is 39.
The square root of 83082909 is about 9114.9826659188. The cubic root of 83082909 is about 436.3522617497.
The spelling of 83082909 in words is "eighty-three million, eighty-two thousand, nine hundred nine".
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