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195133297 is a prime number
BaseRepresentation
bin10111010000101…
…11111101110001
3111121011210120011
423220113331301
5344423231142
631210214521
74556414512
oct1350277561
9447153504
10195133297
11a0169597
1255424441
13315720b8
141bcb6a09
15121e7417
hexba17f71

195133297 has 2 divisors, whose sum is σ = 195133298. Its totient is φ = 195133296.

The previous prime is 195133283. The next prime is 195133349. The reversal of 195133297 is 792331591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130507776 + 64625521 = 11424^2 + 8039^2 .

It is a cyclic number.

It is not a de Polignac number, because 195133297 - 211 = 195131249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (195133207) 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, 97566648 + 97566649.

It is an arithmetic number, because the mean of its divisors is an integer number (97566649).

Almost surely, 2195133297 is an apocalyptic number.

It is an amenable number.

195133297 is a deficient number, since it is larger than the sum of its proper divisors (1).

195133297 is an equidigital number, since it uses as much as digits as its factorization.

195133297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 40.

The square root of 195133297 is about 13969.0120266252. The cubic root of 195133297 is about 580.0211020860.

The spelling of 195133297 in words is "one hundred ninety-five million, one hundred thirty-three thousand, two hundred ninety-seven".