Base | Representation |
---|---|
bin | 1001100111010… |
… | …01001010001001 |
3 | 12121202021121021 |
4 | 10303221022021 |
5 | 131121144133 |
6 | 12000312441 |
7 | 1666325563 |
oct | 463511211 |
9 | 177667537 |
10 | 80646793 |
11 | 41583147 |
12 | 23012721 |
13 | 139288c6 |
14 | a9d4333 |
15 | 713052d |
hex | 4ce9289 |
80646793 has 8 divisors (see below), whose sum is σ = 85697568. Its totient is φ = 75630144.
The previous prime is 80646781. The next prime is 80646803. The reversal of 80646793 is 39764608.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-80646793 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80646743) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3571 + ... + 13192.
It is an arithmetic number, because the mean of its divisors is an integer number (10712196).
Almost surely, 280646793 is an apocalyptic number.
It is an amenable number.
80646793 is a deficient number, since it is larger than the sum of its proper divisors (5050775).
80646793 is a wasteful number, since it uses less digits than its factorization.
80646793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17063.
The product of its (nonzero) digits is 217728, while the sum is 43.
The square root of 80646793 is about 8980.3559506291. The cubic root of 80646793 is about 432.0450502430.
The spelling of 80646793 in words is "eighty million, six hundred forty-six thousand, seven hundred ninety-three".
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