Base | Representation |
---|---|
bin | 1001101000110… |
… | …11101011110001 |
3 | 12122010210111011 |
4 | 10310123223301 |
5 | 131144304440 |
6 | 12004550521 |
7 | 2001150130 |
oct | 464335361 |
9 | 178123434 |
10 | 80853745 |
11 | 41704685 |
12 | 230b2441 |
13 | 1399bb6b |
14 | aa49917 |
15 | 71719ea |
hex | 4d1baf1 |
80853745 has 8 divisors (see below), whose sum is σ = 110885184. Its totient is φ = 55442544.
The previous prime is 80853743. The next prime is 80853757. The reversal of 80853745 is 54735808.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80853745 - 21 = 80853743 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80853698 and 80853707.
It is not an unprimeable number, because it can be changed into a prime (80853743) 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, 1155019 + ... + 1155088.
It is an arithmetic number, because the mean of its divisors is an integer number (13860648).
Almost surely, 280853745 is an apocalyptic number.
It is an amenable number.
80853745 is a deficient number, since it is larger than the sum of its proper divisors (30031439).
80853745 is a wasteful number, since it uses less digits than its factorization.
80853745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2310119.
The product of its (nonzero) digits is 134400, while the sum is 40.
The square root of 80853745 is about 8991.8710511217. The cubic root of 80853745 is about 432.4142991230.
The spelling of 80853745 in words is "eighty million, eight hundred fifty-three thousand, seven hundred forty-five".
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