Search a number
-
+
84000223 is a prime number
BaseRepresentation
bin1010000000110…
…11110111011111
312212001122122101
411000123313133
5133001001343
612200225531
72036663416
oct500336737
9185048571
1084000223
114346367a
122416b2a7
1314531098
14b22847d
157593e4d
hex501bddf

84000223 has 2 divisors, whose sum is σ = 84000224. Its totient is φ = 84000222.

The previous prime is 84000221. The next prime is 84000227. The reversal of 84000223 is 32200048.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84000223 - 21 = 84000221 is a prime.

Together with 84000221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 84000223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84000221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42000111 + 42000112.

It is an arithmetic number, because the mean of its divisors is an integer number (42000112).

Almost surely, 284000223 is an apocalyptic number.

84000223 is a deficient number, since it is larger than the sum of its proper divisors (1).

84000223 is an equidigital number, since it uses as much as digits as its factorization.

84000223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 84000223 is about 9165.1635555510. The cubic root of 84000223 is about 437.9523015411.

The spelling of 84000223 in words is "eighty-four million, two hundred twenty-three", and thus it is an aban number.