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234604813 is a prime number
BaseRepresentation
bin11011111101111…
…00100100001101
3121100110011022011
431332330210031
5440024323223
635140221221
75546052022
oct1576744415
9540404264
10234604813
11110479083
126669a811
13397b2221
142322d549
15158e280d
hexdfbc90d

234604813 has 2 divisors, whose sum is σ = 234604814. Its totient is φ = 234604812.

The previous prime is 234604793. The next prime is 234604819. The reversal of 234604813 is 318406432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216737284 + 17867529 = 14722^2 + 4227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-234604813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234604819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117302406 + 117302407.

It is an arithmetic number, because the mean of its divisors is an integer number (117302407).

Almost surely, 2234604813 is an apocalyptic number.

It is an amenable number.

234604813 is a deficient number, since it is larger than the sum of its proper divisors (1).

234604813 is an equidigital number, since it uses as much as digits as its factorization.

234604813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 234604813 is about 15316.8147145547. The cubic root of 234604813 is about 616.7544701208.

The spelling of 234604813 in words is "two hundred thirty-four million, six hundred four thousand, eight hundred thirteen".