Base | Representation |
---|---|
bin | 1001111101100… |
… | …00100101111110 |
3 | 12211020022220120 |
4 | 10332300211332 |
5 | 132342421310 |
6 | 12142555410 |
7 | 2033153403 |
oct | 476604576 |
9 | 184208816 |
10 | 83560830 |
11 | 43193541 |
12 | 23b98b66 |
13 | 144090a2 |
14 | b1522aa |
15 | 7508b70 |
hex | 4fb097e |
83560830 has 32 divisors (see below), whose sum is σ = 204816384. Its totient is φ = 21808416.
The previous prime is 83560819. The next prime is 83560843. The reversal of 83560830 is 3806538.
It is a junction number, because it is equal to n+sod(n) for n = 83560791 and 83560800.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28222 + ... + 31041.
It is an arithmetic number, because the mean of its divisors is an integer number (6400512).
Almost surely, 283560830 is an apocalyptic number.
83560830 is an abundant number, since it is smaller than the sum of its proper divisors (121255554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83560830 is a wasteful number, since it uses less digits than its factorization.
With its successor (83560831) it forms an eRAP, since the sums of their prime factors are consecutive (59320 and 59321).
83560830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59320.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 83560830 is about 9141.1613047796. The cubic root of 83560830 is about 437.1873445079.
The spelling of 83560830 in words is "eighty-three million, five hundred sixty thousand, eight hundred thirty".
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