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230454817 is a prime number
BaseRepresentation
bin11011011110001…
…11011000100001
3121001122022120121
431233013120201
5432444023232
634511240241
75465555635
oct1557073041
9531568517
10230454817
111090a412a
1265219081
133898b2c8
142286cdc5
1515372d97
hexdbc7621

230454817 has 2 divisors, whose sum is σ = 230454818. Its totient is φ = 230454816.

The previous prime is 230454773. The next prime is 230454869. The reversal of 230454817 is 718454032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143424576 + 87030241 = 11976^2 + 9329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230454817 is a prime.

It is equal to p12666157 and since 230454817 and 12666157 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (230454517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115227408 + 115227409.

It is an arithmetic number, because the mean of its divisors is an integer number (115227409).

Almost surely, 2230454817 is an apocalyptic number.

It is an amenable number.

230454817 is a deficient number, since it is larger than the sum of its proper divisors (1).

230454817 is an equidigital number, since it uses as much as digits as its factorization.

230454817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 230454817 is about 15180.7383549022. The cubic root of 230454817 is about 613.0961610227.

It can be divided in two parts, 2304 and 54817, that added together give a square (57121 = 2392).

The spelling of 230454817 in words is "two hundred thirty million, four hundred fifty-four thousand, eight hundred seventeen".