Base | Representation |
---|---|
bin | 1001100111100… |
… | …10101111010001 |
3 | 12121211021102121 |
4 | 10303302233101 |
5 | 131123423113 |
6 | 12001214241 |
7 | 1666551151 |
oct | 463625721 |
9 | 177737377 |
10 | 80686033 |
11 | 415aa67a |
12 | 23031381 |
13 | 1394071c |
14 | aa04761 |
15 | 713be8d |
hex | 4cf2bd1 |
80686033 has 16 divisors (see below), whose sum is σ = 85536000. Its totient is φ = 76000960.
The previous prime is 80686019. The next prime is 80686037. The reversal of 80686033 is 33068608.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80686033 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80686033.
It is not an unprimeable number, because it can be changed into a prime (80686037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306660 + ... + 306922.
It is an arithmetic number, because the mean of its divisors is an integer number (5346000).
Almost surely, 280686033 is an apocalyptic number.
It is an amenable number.
80686033 is a deficient number, since it is larger than the sum of its proper divisors (4849967).
80686033 is a wasteful number, since it uses less digits than its factorization.
80686033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 512.
The product of its (nonzero) digits is 20736, while the sum is 34.
The square root of 80686033 is about 8982.5404535688. The cubic root of 80686033 is about 432.1151117140.
The spelling of 80686033 in words is "eighty million, six hundred eighty-six thousand, thirty-three".
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