Base | Representation |
---|---|
bin | 1001100101001… |
… | …00100110011111 |
3 | 12121020000101220 |
4 | 10302210212133 |
5 | 131033202413 |
6 | 11550304423 |
7 | 1664046105 |
oct | 462444637 |
9 | 177200356 |
10 | 80365983 |
11 | 41401175 |
12 | 22ab8113 |
13 | 1385ab49 |
14 | a95dc75 |
15 | 70c7223 |
hex | 4ca499f |
80365983 has 4 divisors (see below), whose sum is σ = 107154648. Its totient is φ = 53577320.
The previous prime is 80365969. The next prime is 80365997. The reversal of 80365983 is 38956308.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (80365969) and next prime (80365997).
It is a cyclic number.
It is not a de Polignac number, because 80365983 - 29 = 80365471 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80365913) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13394328 + ... + 13394333.
It is an arithmetic number, because the mean of its divisors is an integer number (26788662).
Almost surely, 280365983 is an apocalyptic number.
80365983 is a deficient number, since it is larger than the sum of its proper divisors (26788665).
80365983 is a wasteful number, since it uses less digits than its factorization.
80365983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26788664.
The product of its (nonzero) digits is 155520, while the sum is 42.
The square root of 80365983 is about 8964.7076360582. The cubic root of 80365983 is about 431.5430106162.
The spelling of 80365983 in words is "eighty million, three hundred sixty-five thousand, nine hundred eighty-three".
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