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385463213 is a prime number
BaseRepresentation
bin10110111110011…
…011001110101101
3222212022120010022
4112332123032231
51242134310323
6102125451525
712360245312
oct2676331655
9885276108
10385463213
11188647243
12a9110ba5
1361b21a55
143929cd09
1523c914c8
hex16f9b3ad

385463213 has 2 divisors, whose sum is σ = 385463214. Its totient is φ = 385463212.

The previous prime is 385463173. The next prime is 385463251. The reversal of 385463213 is 312364583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368140969 + 17322244 = 19187^2 + 4162^2 .

It is an emirp because it is prime and its reverse (312364583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385463213 - 212 = 385459117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385463513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192731606 + 192731607.

It is an arithmetic number, because the mean of its divisors is an integer number (192731607).

Almost surely, 2385463213 is an apocalyptic number.

It is an amenable number.

385463213 is a deficient number, since it is larger than the sum of its proper divisors (1).

385463213 is an equidigital number, since it uses as much as digits as its factorization.

385463213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 385463213 is about 19633.2170822818. The cubic root of 385463213 is about 727.7702734127.

The spelling of 385463213 in words is "three hundred eighty-five million, four hundred sixty-three thousand, two hundred thirteen".