Base | Representation |
---|---|
bin | 1001100100001… |
… | …01011010000101 |
3 | 12120222112010200 |
4 | 10302011122011 |
5 | 131020110323 |
6 | 11543441113 |
7 | 1663004436 |
oct | 462053205 |
9 | 176875120 |
10 | 80238213 |
11 | 41324180 |
12 | 22a56199 |
13 | 13814943 |
14 | a92948d |
15 | 709e443 |
hex | 4c85685 |
80238213 has 12 divisors (see below), whose sum is σ = 126436128. Its totient is φ = 48629160.
The previous prime is 80238203. The next prime is 80238233. The reversal of 80238213 is 31283208.
It is not a de Polignac number, because 80238213 - 26 = 80238149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80238203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405145 + ... + 405342.
It is an arithmetic number, because the mean of its divisors is an integer number (10536344).
Almost surely, 280238213 is an apocalyptic number.
It is an amenable number.
80238213 is a deficient number, since it is larger than the sum of its proper divisors (46197915).
80238213 is a wasteful number, since it uses less digits than its factorization.
80238213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 810504 (or 810501 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 80238213 is about 8957.5785232394. The cubic root of 80238213 is about 431.3141928387.
The spelling of 80238213 in words is "eighty million, two hundred thirty-eight thousand, two hundred thirteen".
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