Base | Representation |
---|---|
bin | 1001100110110… |
… | …11011001100111 |
3 | 12121122102022002 |
4 | 10303123121213 |
5 | 131112343224 |
6 | 11555155515 |
7 | 1666002356 |
oct | 463333147 |
9 | 177572262 |
10 | 80590439 |
11 | 41544876 |
12 | 22ba5b9b |
13 | 13909067 |
14 | a9bb99d |
15 | 711d9ae |
hex | 4cdb667 |
80590439 has 4 divisors (see below), whose sum is σ = 80614200. Its totient is φ = 80566680.
The previous prime is 80590429. The next prime is 80590441. The reversal of 80590439 is 93409508.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80590439 - 220 = 79541863 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80590429) 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, 5732 + ... + 13929.
It is an arithmetic number, because the mean of its divisors is an integer number (20153550).
Almost surely, 280590439 is an apocalyptic number.
80590439 is a deficient number, since it is larger than the sum of its proper divisors (23761).
80590439 is a wasteful number, since it uses less digits than its factorization.
80590439 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23760.
The product of its (nonzero) digits is 38880, while the sum is 38.
The square root of 80590439 is about 8977.2177761264. The cubic root of 80590439 is about 431.9443926339.
The spelling of 80590439 in words is "eighty million, five hundred ninety thousand, four hundred thirty-nine".
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