[go: up one dir, main page]

Search a number
-
+
380522743 is a prime number
BaseRepresentation
bin10110101011100…
…101000011110111
3222112000120001221
4112223211003313
51234403211433
6101431531211
712300250516
oct2653450367
9875016057
10380522743
11185882407
12a7529b07
1360ab20b3
143877467d
152361772d
hex16ae50f7

380522743 has 2 divisors, whose sum is σ = 380522744. Its totient is φ = 380522742.

The previous prime is 380522731. The next prime is 380522759. The reversal of 380522743 is 347225083.

It is a weak prime.

It is an emirp because it is prime and its reverse (347225083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380522743 - 29 = 380522231 is a prime.

It is equal to p20351977 and since 380522743 and 20351977 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 380522699 and 380522708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380522773) 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, 190261371 + 190261372.

It is an arithmetic number, because the mean of its divisors is an integer number (190261372).

Almost surely, 2380522743 is an apocalyptic number.

380522743 is a deficient number, since it is larger than the sum of its proper divisors (1).

380522743 is an equidigital number, since it uses as much as digits as its factorization.

380522743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 380522743 is about 19506.9921566601. The cubic root of 380522743 is about 724.6476245596.

The spelling of 380522743 in words is "three hundred eighty million, five hundred twenty-two thousand, seven hundred forty-three".