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193468069 is a prime number
BaseRepresentation
bin10111000100000…
…01011010100101
3111111001012022001
423202001122211
5344011434234
631110405301
74536310564
oct1342013245
9444035261
10193468069
119a231473
1254960831
133110b162
141b9a1bdb
1511eb8d14
hexb8816a5

193468069 has 2 divisors, whose sum is σ = 193468070. Its totient is φ = 193468068.

The previous prime is 193468049. The next prime is 193468097. The reversal of 193468069 is 960864391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165431044 + 28037025 = 12862^2 + 5295^2 .

It is an emirp because it is prime and its reverse (960864391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 193468069 - 27 = 193467941 is a prime.

It is a super-2 number, since 2×1934680692 = 74859787445177522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193468049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96734034 + 96734035.

It is an arithmetic number, because the mean of its divisors is an integer number (96734035).

Almost surely, 2193468069 is an apocalyptic number.

It is an amenable number.

193468069 is a deficient number, since it is larger than the sum of its proper divisors (1).

193468069 is an equidigital number, since it uses as much as digits as its factorization.

193468069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 193468069 is about 13909.2799597966. The cubic root of 193468069 is about 578.3664588231.

The spelling of 193468069 in words is "one hundred ninety-three million, four hundred sixty-eight thousand, sixty-nine".