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385463173 is a prime number
BaseRepresentation
bin10110111110011…
…011001110000101
3222212022120001211
4112332123032011
51242134310143
6102125451421
712360245224
oct2676331605
9885276054
10385463173
11188647207
12a9110b71
1361b21a24
143929ccbb
1523c9149d
hex16f9b385

385463173 has 2 divisors, whose sum is σ = 385463174. Its totient is φ = 385463172.

The previous prime is 385463153. The next prime is 385463213. The reversal of 385463173 is 371364583.

It is an a-pointer prime, because the next prime (385463213) can be obtained adding 385463173 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301960129 + 83503044 = 17377^2 + 9138^2 .

It is an emirp because it is prime and its reverse (371364583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385463173 - 225 = 351908741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385463123) 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, 192731586 + 192731587.

It is an arithmetic number, because the mean of its divisors is an integer number (192731587).

Almost surely, 2385463173 is an apocalyptic number.

It is an amenable number.

385463173 is a deficient number, since it is larger than the sum of its proper divisors (1).

385463173 is an equidigital number, since it uses as much as digits as its factorization.

385463173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 385463173 is about 19633.2160636000. The cubic root of 385463173 is about 727.7702482388.

The spelling of 385463173 in words is "three hundred eighty-five million, four hundred sixty-three thousand, one hundred seventy-three".