Base | Representation |
---|---|
bin | 1001100100000… |
… | …11011101011111 |
3 | 12120222010012100 |
4 | 10302003131133 |
5 | 131014331424 |
6 | 11543340143 |
7 | 1662642255 |
oct | 462033537 |
9 | 176863170 |
10 | 80230239 |
11 | 41319191 |
12 | 22a51653 |
13 | 1381111b |
14 | a9265d5 |
15 | 709bdc9 |
hex | 4c8375f |
80230239 has 6 divisors (see below), whose sum is σ = 115888136. Its totient is φ = 53486820.
The previous prime is 80230231. The next prime is 80230243. The reversal of 80230239 is 93203208.
It is not a de Polignac number, because 80230239 - 23 = 80230231 is a prime.
It is a super-3 number, since 3×802302393 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80230231) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4457227 + ... + 4457244.
Almost surely, 280230239 is an apocalyptic number.
80230239 is a deficient number, since it is larger than the sum of its proper divisors (35657897).
80230239 is a wasteful number, since it uses less digits than its factorization.
80230239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8914477 (or 8914474 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 80230239 is about 8957.1334142124. The cubic root of 80230239 is about 431.2999044958.
The spelling of 80230239 in words is "eighty million, two hundred thirty thousand, two hundred thirty-nine".
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