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193955141 is a prime number
BaseRepresentation
bin10111000111110…
…00010101000101
3111111221221102202
423203320111011
5344123031031
631125044245
74543406612
oct1343702505
9444857382
10193955141
119a534406
1254b56685
133124ba73
141ba8b509
15120632cb
hexb8f8545

193955141 has 2 divisors, whose sum is σ = 193955142. Its totient is φ = 193955140.

The previous prime is 193955137. The next prime is 193955171. The reversal of 193955141 is 141559391.

193955141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157000900 + 36954241 = 12530^2 + 6079^2 .

It is a cyclic number.

It is not a de Polignac number, because 193955141 - 22 = 193955137 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 193955095 and 193955104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193955101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96977570 + 96977571.

It is an arithmetic number, because the mean of its divisors is an integer number (96977571).

Almost surely, 2193955141 is an apocalyptic number.

It is an amenable number.

193955141 is a deficient number, since it is larger than the sum of its proper divisors (1).

193955141 is an equidigital number, since it uses as much as digits as its factorization.

193955141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 38.

The square root of 193955141 is about 13926.7778398307. Note that the first 3 decimals coincide. The cubic root of 193955141 is about 578.8514140118.

The spelling of 193955141 in words is "one hundred ninety-three million, nine hundred fifty-five thousand, one hundred forty-one".