Base | Representation |
---|---|
bin | 1001101000110… |
… | …01001010001001 |
3 | 12122010021022001 |
4 | 10310121022021 |
5 | 131143442101 |
6 | 12004431001 |
7 | 2001105022 |
oct | 464311211 |
9 | 178107261 |
10 | 80843401 |
11 | 416a7931 |
12 | 230a8461 |
13 | 13997242 |
14 | aa45c49 |
15 | 716d901 |
hex | 4d19289 |
80843401 has 4 divisors (see below), whose sum is σ = 80981712. Its totient is φ = 80705092.
The previous prime is 80843363. The next prime is 80843453. The reversal of 80843401 is 10434808.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 80843401 - 29 = 80842889 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 80843401.
It is not an unprimeable number, because it can be changed into a prime (80843471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68275 + ... + 69448.
It is an arithmetic number, because the mean of its divisors is an integer number (20245428).
Almost surely, 280843401 is an apocalyptic number.
It is an amenable number.
80843401 is a deficient number, since it is larger than the sum of its proper divisors (138311).
80843401 is a wasteful number, since it uses less digits than its factorization.
80843401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138310.
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 80843401 is about 8991.2958465396. The cubic root of 80843401 is about 432.3958580713.
The spelling of 80843401 in words is "eighty million, eight hundred forty-three thousand, four hundred one".
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