Base | Representation |
---|---|
bin | 1001111010001… |
… | …10111001001000 |
3 | 12210102100000101 |
4 | 10331012321020 |
5 | 132240043010 |
6 | 12125415144 |
7 | 2026401223 |
oct | 475067110 |
9 | 183370011 |
10 | 83127880 |
11 | 42a18230 |
12 | 23a0a4b4 |
13 | 142b6cc4 |
14 | b07c5ba |
15 | 747073a |
hex | 4f46e48 |
83127880 has 32 divisors (see below), whose sum is σ = 204042240. Its totient is φ = 30228160.
The previous prime is 83127871. The next prime is 83127887. The reversal of 83127880 is 8872138.
It is not an unprimeable number, because it can be changed into a prime (83127887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94024 + ... + 94903.
It is an arithmetic number, because the mean of its divisors is an integer number (6376320).
Almost surely, 283127880 is an apocalyptic number.
It is an amenable number.
83127880 is an abundant number, since it is smaller than the sum of its proper divisors (120914360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83127880 is a wasteful number, since it uses less digits than its factorization.
83127880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188949 (or 188945 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 37.
The square root of 83127880 is about 9117.4492046844. The cubic root of 83127880 is about 436.4309769285.
The spelling of 83127880 in words is "eighty-three million, one hundred twenty-seven thousand, eight hundred eighty".
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