Base | Representation |
---|---|
bin | 1001100010110… |
… | …00111010110001 |
3 | 12120122021011111 |
4 | 10301120322301 |
5 | 130443242420 |
6 | 11535513321 |
7 | 1661315242 |
oct | 461307261 |
9 | 176567144 |
10 | 80055985 |
11 | 4120a279 |
12 | 22988841 |
13 | 1377ca09 |
14 | a8bccc9 |
15 | 706545a |
hex | 4c58eb1 |
80055985 has 16 divisors (see below), whose sum is σ = 102695040. Its totient is φ = 59762560.
The previous prime is 80055977. The next prime is 80056003. The reversal of 80055985 is 58955008.
It is not a de Polignac number, because 80055985 - 23 = 80055977 is a prime.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 3775 + ... + 13204.
It is an arithmetic number, because the mean of its divisors is an integer number (6418440).
Almost surely, 280055985 is an apocalyptic number.
It is an amenable number.
80055985 is a deficient number, since it is larger than the sum of its proper divisors (22639055).
80055985 is a wasteful number, since it uses less digits than its factorization.
80055985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17048.
The product of its (nonzero) digits is 72000, while the sum is 40.
The square root of 80055985 is about 8947.4010192905. The cubic root of 80055985 is about 430.9874279238.
The spelling of 80055985 in words is "eighty million, fifty-five thousand, nine hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •