Base | Representation |
---|---|
bin | 10000000110010101001111 |
3 | 21221102002011 |
4 | 100012111033 |
5 | 2040021424 |
6 | 230242051 |
7 | 50604622 |
oct | 20062517 |
9 | 7842064 |
10 | 4220239 |
11 | 2422801 |
12 | 14b6327 |
13 | b49baa |
14 | 7bbdb9 |
15 | 585694 |
hex | 40654f |
4220239 has 2 divisors, whose sum is σ = 4220240. Its totient is φ = 4220238.
The previous prime is 4220207. The next prime is 4220243. The reversal of 4220239 is 9320224.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 4220239 - 25 = 4220207 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4220269) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110119 + 2110120.
It is an arithmetic number, because the mean of its divisors is an integer number (2110120).
Almost surely, 24220239 is an apocalyptic number.
4220239 is a deficient number, since it is larger than the sum of its proper divisors (1).
4220239 is an equidigital number, since it uses as much as digits as its factorization.
4220239 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 4220239 is about 2054.3220292836. The cubic root of 4220239 is about 161.6016096097.
The spelling of 4220239 in words is "four million, two hundred twenty thousand, two hundred thirty-nine".
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