Base | Representation |
---|---|
bin | 1001100010111… |
… | …00101101101101 |
3 | 12120200001111100 |
4 | 10301130231231 |
5 | 130444242113 |
6 | 11540113313 |
7 | 1661411463 |
oct | 461345555 |
9 | 176601440 |
10 | 80071533 |
11 | 4121aa23 |
12 | 22995839 |
13 | 13786b09 |
14 | a8c4833 |
15 | 7069d73 |
hex | 4c5cb6d |
80071533 has 24 divisors (see below), whose sum is σ = 121417920. Its totient is φ = 50751360.
The previous prime is 80071531. The next prime is 80071553. The reversal of 80071533 is 33517008.
It is not a de Polignac number, because 80071533 - 21 = 80071531 is a prime.
It is a super-2 number, since 2×800715332 = 12822900793940178, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80071497 and 80071506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80071531) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35973 + ... + 38133.
It is an arithmetic number, because the mean of its divisors is an integer number (5059080).
Almost surely, 280071533 is an apocalyptic number.
It is an amenable number.
80071533 is a deficient number, since it is larger than the sum of its proper divisors (41346387).
80071533 is a wasteful number, since it uses less digits than its factorization.
80071533 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2369 (or 2366 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 80071533 is about 8948.2698327666. The cubic root of 80071533 is about 431.0153273942.
The spelling of 80071533 in words is "eighty million, seventy-one thousand, five hundred thirty-three".
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