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193841 is a prime number
BaseRepresentation
bin101111010100110001
3100211220022
4233110301
522200331
64053225
71435064
oct572461
9324808
10193841
111226aa
1294215
136a2cb
14508db
153c67b
hex2f531

193841 has 2 divisors, whose sum is σ = 193842. Its totient is φ = 193840.

The previous prime is 193813. The next prime is 193847. The reversal of 193841 is 148391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163216 + 30625 = 404^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 193841 - 210 = 192817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 193841.

It is not a weakly prime, because it can be changed into another prime (193847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96920 + 96921.

It is an arithmetic number, because the mean of its divisors is an integer number (96921).

2193841 is an apocalyptic number.

It is an amenable number.

193841 is a deficient number, since it is larger than the sum of its proper divisors (1).

193841 is an equidigital number, since it uses as much as digits as its factorization.

193841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 193841 is about 440.2737784606. The cubic root of 193841 is about 57.8737841970.

The spelling of 193841 in words is "one hundred ninety-three thousand, eight hundred forty-one".