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189796297 is a prime number
BaseRepresentation
bin10110101000000…
…00111111001001
3111020010122120111
423110000333021
5342041440142
630455554321
74463145655
oct1324007711
9436118514
10189796297
1198153849
125368b9a1
1330423b02
141b2c7a65
15119e0e17
hexb500fc9

189796297 has 2 divisors, whose sum is σ = 189796298. Its totient is φ = 189796296.

The previous prime is 189796267. The next prime is 189796309. The reversal of 189796297 is 792697981.

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., 100380361 + 89415936 = 10019^2 + 9456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-189796297 is a prime.

It is not a weakly prime, because it can be changed into another prime (189796247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94898148 + 94898149.

It is an arithmetic number, because the mean of its divisors is an integer number (94898149).

Almost surely, 2189796297 is an apocalyptic number.

It is an amenable number.

189796297 is a deficient number, since it is larger than the sum of its proper divisors (1).

189796297 is an equidigital number, since it uses as much as digits as its factorization.

189796297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 58.

The square root of 189796297 is about 13776.6576861008. The cubic root of 189796297 is about 574.6841839752.

The spelling of 189796297 in words is "one hundred eighty-nine million, seven hundred ninety-six thousand, two hundred ninety-seven".