Search a number
-
+
346967381 is a prime number
BaseRepresentation
bin10100101011100…
…100110101010101
3220011212202202202
4110223210311111
51202310424011
654232414245
711412113465
oct2453446525
9804782682
10346967381
11168943802
1298247385
1356b63a57
143411bba5
15206da23b
hex14ae4d55

346967381 has 2 divisors, whose sum is σ = 346967382. Its totient is φ = 346967380.

The previous prime is 346967333. The next prime is 346967419. The reversal of 346967381 is 183769643.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330694225 + 16273156 = 18185^2 + 4034^2 .

It is a cyclic number.

It is not a de Polignac number, because 346967381 - 26 = 346967317 is a prime.

It is a super-2 number, since 2×3469673812 = 240772726955998322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346667381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173483690 + 173483691.

It is an arithmetic number, because the mean of its divisors is an integer number (173483691).

Almost surely, 2346967381 is an apocalyptic number.

It is an amenable number.

346967381 is a deficient number, since it is larger than the sum of its proper divisors (1).

346967381 is an equidigital number, since it uses as much as digits as its factorization.

346967381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 346967381 is about 18627.0604497865. The cubic root of 346967381 is about 702.6885592040.

The spelling of 346967381 in words is "three hundred forty-six million, nine hundred sixty-seven thousand, three hundred eighty-one".