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194789341 is a prime number
BaseRepresentation
bin10111001110000…
…11111111011101
3111120112022202001
423213003333131
5344331224331
631155002301
74553452645
oct1347037735
9446468661
10194789341
119aa5412a
1255299391
1331481686
141bc27525
151217a561
hexb9c3fdd

194789341 has 2 divisors, whose sum is σ = 194789342. Its totient is φ = 194789340.

The previous prime is 194789263. The next prime is 194789347. The reversal of 194789341 is 143987491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181980100 + 12809241 = 13490^2 + 3579^2 .

It is a cyclic number.

It is not a de Polignac number, because 194789341 - 29 = 194788829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194789291 and 194789300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194789347) 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, 97394670 + 97394671.

It is an arithmetic number, because the mean of its divisors is an integer number (97394671).

Almost surely, 2194789341 is an apocalyptic number.

It is an amenable number.

194789341 is a deficient number, since it is larger than the sum of its proper divisors (1).

194789341 is an equidigital number, since it uses as much as digits as its factorization.

194789341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 46.

The square root of 194789341 is about 13956.6952033782. The cubic root of 194789341 is about 579.6801059996.

The spelling of 194789341 in words is "one hundred ninety-four million, seven hundred eighty-nine thousand, three hundred forty-one".