Base | Representation |
---|---|
bin | 1001100101011… |
… | …00111101101001 |
3 | 12121021202101102 |
4 | 10302230331221 |
5 | 131040301413 |
6 | 11551131145 |
7 | 1664251004 |
oct | 462547551 |
9 | 177252342 |
10 | 80400233 |
11 | 41424981 |
12 | 22b13ab5 |
13 | 13870604 |
14 | a96c53b |
15 | 70d2458 |
hex | 4cacf69 |
80400233 has 2 divisors, whose sum is σ = 80400234. Its totient is φ = 80400232.
The previous prime is 80400217. The next prime is 80400263. The reversal of 80400233 is 33200408.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 54715609 + 25684624 = 7397^2 + 5068^2 .
It is a cyclic number.
It is not a de Polignac number, because 80400233 - 24 = 80400217 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (80400263) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40200116 + 40200117.
It is an arithmetic number, because the mean of its divisors is an integer number (40200117).
Almost surely, 280400233 is an apocalyptic number.
It is an amenable number.
80400233 is a deficient number, since it is larger than the sum of its proper divisors (1).
80400233 is an equidigital number, since it uses as much as digits as its factorization.
80400233 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 80400233 is about 8966.6177012294. The cubic root of 80400233 is about 431.6043062390.
The spelling of 80400233 in words is "eighty million, four hundred thousand, two hundred thirty-three".
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