Base | Representation |
---|---|
bin | 1001111111111… |
… | …00101011010100 |
3 | 12211211011101201 |
4 | 10333330223110 |
5 | 132432404333 |
6 | 12153402244 |
7 | 2035622101 |
oct | 477745324 |
9 | 184734351 |
10 | 83872468 |
11 | 43386699 |
12 | 24109384 |
13 | 144b7ba4 |
14 | b1d3aa8 |
15 | 756b17d |
hex | 4ffcad4 |
83872468 has 6 divisors (see below), whose sum is σ = 146776826. Its totient is φ = 41936232.
The previous prime is 83872463. The next prime is 83872471. The reversal of 83872468 is 86427838.
It can be written as a sum of positive squares in only one way, i.e., 43270084 + 40602384 = 6578^2 + 6372^2 .
It is a super-2 number, since 2×838724682 = 14069181776822048, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83872463) by changing a digit.
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 as a sum of consecutive naturals, namely, 10484055 + ... + 10484062.
Almost surely, 283872468 is an apocalyptic number.
It is an amenable number.
83872468 is a deficient number, since it is larger than the sum of its proper divisors (62904358).
83872468 is a wasteful number, since it uses less digits than its factorization.
83872468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20968121 (or 20968119 counting only the distinct ones).
The product of its digits is 516096, while the sum is 46.
The square root of 83872468 is about 9158.1913061477. The cubic root of 83872468 is about 437.7301633009.
The spelling of 83872468 in words is "eighty-three million, eight hundred seventy-two thousand, four hundred sixty-eight".
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