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230819 is a prime number
BaseRepresentation
bin111000010110100011
3102201121212
4320112203
524341234
64540335
71650641
oct702643
9381555
10230819
11148466
12b16ab
13810a4
1460191
15485ce
hex385a3

230819 has 2 divisors, whose sum is σ = 230820. Its totient is φ = 230818.

The previous prime is 230807. The next prime is 230827. The reversal of 230819 is 918032.

230819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230819 - 28 = 230563 is a prime.

It is a super-2 number, since 2×2308192 = 106554821522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 230794 and 230803.

It is not a weakly prime, because it can be changed into another prime (230849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115409 + 115410.

It is an arithmetic number, because the mean of its divisors is an integer number (115410).

2230819 is an apocalyptic number.

230819 is a deficient number, since it is larger than the sum of its proper divisors (1).

230819 is an equidigital number, since it uses as much as digits as its factorization.

230819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 230819 is about 480.4362600804. The cubic root of 230819 is about 61.3418945464.

The spelling of 230819 in words is "two hundred thirty thousand, eight hundred nineteen".