Base | Representation |
---|---|
bin | 1001111010001… |
… | …10111010110100 |
3 | 12210102100011101 |
4 | 10331012322310 |
5 | 132240043423 |
6 | 12125415444 |
7 | 2026401436 |
oct | 475067264 |
9 | 183370141 |
10 | 83127988 |
11 | 42a18319 |
12 | 23a0a584 |
13 | 142b7078 |
14 | b07c656 |
15 | 74707ad |
hex | 4f46eb4 |
83127988 has 24 divisors (see below), whose sum is σ = 150796800. Its totient is φ = 40054560.
The previous prime is 83127973. The next prime is 83128013. The reversal of 83127988 is 88972138.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31338 + ... + 33886.
It is an arithmetic number, because the mean of its divisors is an integer number (6283200).
Almost surely, 283127988 is an apocalyptic number.
It is an amenable number.
83127988 is a deficient number, since it is larger than the sum of its proper divisors (67668812).
83127988 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (83127987) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (2847).
83127988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2847 (or 2845 counting only the distinct ones).
The product of its digits is 193536, while the sum is 46.
The square root of 83127988 is about 9117.4551273916. The cubic root of 83127988 is about 436.4311659325.
The spelling of 83127988 in words is "eighty-three million, one hundred twenty-seven thousand, nine hundred eighty-eight".
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