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194468297 is a prime number
BaseRepresentation
bin10111001011101…
…01100111001001
3111112221000100112
423211311213021
5344240441142
631144044105
74550644652
oct1345654711
9445830315
10194468297
119a854a01
1255163635
133139b4ca
141bb82529
1512115382
hexb9759c9

194468297 has 2 divisors, whose sum is σ = 194468298. Its totient is φ = 194468296.

The previous prime is 194468279. The next prime is 194468299. The reversal of 194468297 is 792864491.

Together with previous prime (194468279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193460281 + 1008016 = 13909^2 + 1004^2 .

It is a cyclic number.

It is not a de Polignac number, because 194468297 - 26 = 194468233 is a prime.

Together with 194468299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (194468299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97234148 + 97234149.

It is an arithmetic number, because the mean of its divisors is an integer number (97234149).

Almost surely, 2194468297 is an apocalyptic number.

It is an amenable number.

194468297 is a deficient number, since it is larger than the sum of its proper divisors (1).

194468297 is an equidigital number, since it uses as much as digits as its factorization.

194468297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 194468297 is about 13945.1890270444. The cubic root of 194468297 is about 579.3614623559.

The spelling of 194468297 in words is "one hundred ninety-four million, four hundred sixty-eight thousand, two hundred ninety-seven".