Search a number
-
+
8190223 is a prime number
BaseRepresentation
bin11111001111100100001111
3120102002212121
4133033210033
54044041343
6451313411
7126421126
oct37174417
916362777
108190223
114694488
1228ab867
131909bb2
141132abd
15abbaed
hex7cf90f

8190223 has 2 divisors, whose sum is σ = 8190224. Its totient is φ = 8190222.

The previous prime is 8190211. The next prime is 8190227. The reversal of 8190223 is 3220918.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8190223 - 29 = 8189711 is a prime.

8190223 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8190227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4095111 + 4095112.

It is an arithmetic number, because the mean of its divisors is an integer number (4095112).

Almost surely, 28190223 is an apocalyptic number.

8190223 is a deficient number, since it is larger than the sum of its proper divisors (1).

8190223 is an equidigital number, since it uses as much as digits as its factorization.

8190223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8190223 is about 2861.8565652387. The cubic root of 8190223 is about 201.5727908894.

It can be divided in two parts, 819022 and 3, that added together give a square (819025 = 9052).

The spelling of 8190223 in words is "eight million, one hundred ninety thousand, two hundred twenty-three".