Search a number
-
+
2830123 is a prime number
BaseRepresentation
bin1010110010111100101011
312022210012101
422302330223
51211030443
6140354231
733025042
oct12627453
95283171
102830123
11166334a
12b45977
1378123a
14539559
153ad84d
hex2b2f2b

2830123 has 2 divisors, whose sum is σ = 2830124. Its totient is φ = 2830122.

The previous prime is 2830099. The next prime is 2830129. The reversal of 2830123 is 3210382.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2830123 - 217 = 2699051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2830123.

It is not a weakly prime, because it can be changed into another prime (2830129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415061 + 1415062.

It is an arithmetic number, because the mean of its divisors is an integer number (1415062).

22830123 is an apocalyptic number.

2830123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2830123 is an equidigital number, since it uses as much as digits as its factorization.

2830123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2830123 is about 1682.2969416842. The cubic root of 2830123 is about 141.4496151778.

The spelling of 2830123 in words is "two million, eight hundred thirty thousand, one hundred twenty-three".