Search a number
-
+
198246293 = 728320899
BaseRepresentation
bin10111101000011…
…11111110010101
3111211000221210022
423310033332111
5401222340133
631401034525
74625031350
oct1364177625
9454027708
10198246293
11a19a5413
1256485a45
13320c1ccb
141c487297
151260e998
hexbd0ff95

198246293 has 4 divisors (see below), whose sum is σ = 226567200. Its totient is φ = 169925388.

The previous prime is 198246289. The next prime is 198246353. The reversal of 198246293 is 392642891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 198246293 - 22 = 198246289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198246253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14160443 + ... + 14160456.

It is an arithmetic number, because the mean of its divisors is an integer number (56641800).

Almost surely, 2198246293 is an apocalyptic number.

It is an amenable number.

198246293 is a deficient number, since it is larger than the sum of its proper divisors (28320907).

198246293 is an equidigital number, since it uses as much as digits as its factorization.

198246293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28320906.

The product of its digits is 186624, while the sum is 44.

The square root of 198246293 is about 14079.9962002836. The cubic root of 198246293 is about 583.0892370466.

The spelling of 198246293 in words is "one hundred ninety-eight million, two hundred forty-six thousand, two hundred ninety-three".

Divisors: 1 7 28320899 198246293