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194120383 is a prime number
BaseRepresentation
bin10111001001000…
…00101010111111
3111112021100002211
423210200222333
5344143323013
631132401251
74544665432
oct1344405277
9445240084
10194120383
119a637576
1255016227
13312a9042
141bad1819
151209723d
hexb920abf

194120383 has 2 divisors, whose sum is σ = 194120384. Its totient is φ = 194120382.

The previous prime is 194120351. The next prime is 194120393. The reversal of 194120383 is 383021491.

It is a strong prime.

It is an emirp because it is prime and its reverse (383021491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194120383 - 25 = 194120351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194120393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97060191 + 97060192.

It is an arithmetic number, because the mean of its divisors is an integer number (97060192).

Almost surely, 2194120383 is an apocalyptic number.

194120383 is a deficient number, since it is larger than the sum of its proper divisors (1).

194120383 is an equidigital number, since it uses as much as digits as its factorization.

194120383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 194120383 is about 13932.7091048367. The cubic root of 194120383 is about 579.0157534121.

The spelling of 194120383 in words is "one hundred ninety-four million, one hundred twenty thousand, three hundred eighty-three".