Base | Representation |
---|---|
bin | 1001101001110… |
… | …00110100001001 |
3 | 12122100212011102 |
4 | 10310320310021 |
5 | 131212114230 |
6 | 12011311145 |
7 | 2002155035 |
oct | 464706411 |
9 | 178325142 |
10 | 80973065 |
11 | 41786298 |
12 | 2314b4b5 |
13 | 13a11274 |
14 | aa7b1c5 |
15 | 7197045 |
hex | 4d38d09 |
80973065 has 16 divisors (see below), whose sum is σ = 98594496. Its totient is φ = 63835200.
The previous prime is 80973049. The next prime is 80973071. The reversal of 80973065 is 56037908.
It is not a de Polignac number, because 80973065 - 24 = 80973049 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118214 + ... + 118896.
It is an arithmetic number, because the mean of its divisors is an integer number (6162156).
Almost surely, 280973065 is an apocalyptic number.
It is an amenable number.
80973065 is a deficient number, since it is larger than the sum of its proper divisors (17621431).
80973065 is a wasteful number, since it uses less digits than its factorization.
80973065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1000.
The product of its (nonzero) digits is 45360, while the sum is 38.
The square root of 80973065 is about 8998.5034866916. The cubic root of 80973065 is about 432.6269065257.
The spelling of 80973065 in words is "eighty million, nine hundred seventy-three thousand, sixty-five".
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