Base | Representation |
---|---|
bin | 10110101011001… |
… | …100000010001001 |
3 | 222111211100110021 |
4 | 112223030002021 |
5 | 1234341421413 |
6 | 101425420441 |
7 | 12266342614 |
oct | 2653140211 |
9 | 874740407 |
10 | 380420233 |
11 | 185812396 |
12 | a749a721 |
13 | 60a7753b |
14 | 3874917b |
15 | 235e718d |
hex | 16acc089 |
380420233 has 2 divisors, whose sum is σ = 380420234. Its totient is φ = 380420232.
The previous prime is 380420221. The next prime is 380420267. The reversal of 380420233 is 332024083.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 303735184 + 76685049 = 17428^2 + 8757^2 .
It is an emirp because it is prime and its reverse (332024083) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-380420233 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 380420198 and 380420207.
It is not a weakly prime, because it can be changed into another prime (380420333) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190210116 + 190210117.
It is an arithmetic number, because the mean of its divisors is an integer number (190210117).
Almost surely, 2380420233 is an apocalyptic number.
It is an amenable number.
380420233 is a deficient number, since it is larger than the sum of its proper divisors (1).
380420233 is an equidigital number, since it uses as much as digits as its factorization.
380420233 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 25.
The square root of 380420233 is about 19504.3644602945. The cubic root of 380420233 is about 724.5825471533.
The spelling of 380420233 in words is "three hundred eighty million, four hundred twenty thousand, two hundred thirty-three".
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