Base | Representation |
---|---|
bin | 1001100010111… |
… | …10011000011001 |
3 | 12120200101212020 |
4 | 10301132120121 |
5 | 131000001421 |
6 | 11540205053 |
7 | 1661440416 |
oct | 461363031 |
9 | 176611766 |
10 | 80078361 |
11 | 41225070 |
12 | 22999789 |
13 | 13789c5c |
14 | a8c710d |
15 | 706bdc6 |
hex | 4c5e619 |
80078361 has 8 divisors (see below), whose sum is σ = 116477664. Its totient is φ = 48532320.
The previous prime is 80078359. The next prime is 80078419. The reversal of 80078361 is 16387008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80078361 - 21 = 80078359 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2426617 = 80078361 / (8 + 0 + 0 + 7 + 8 + 3 + 6 + 1).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (80078351) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213276 + ... + 1213341.
It is an arithmetic number, because the mean of its divisors is an integer number (14559708).
Almost surely, 280078361 is an apocalyptic number.
It is an amenable number.
80078361 is a deficient number, since it is larger than the sum of its proper divisors (36399303).
80078361 is a wasteful number, since it uses less digits than its factorization.
80078361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2426631.
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 80078361 is about 8948.6513509020. The cubic root of 80078361 is about 431.0275784773.
The spelling of 80078361 in words is "eighty million, seventy-eight thousand, three hundred sixty-one".
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