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195483389 is a prime number
BaseRepresentation
bin10111010011011…
…01011011111101
3111121211120210112
423221231123331
5400020432024
631221515405
74562403263
oct1351553375
9447746715
10195483389
11a0388622
1255572b65
133166555a
141bd68433
151226600e
hexba6d6fd

195483389 has 2 divisors, whose sum is σ = 195483390. Its totient is φ = 195483388.

The previous prime is 195483373. The next prime is 195483401. The reversal of 195483389 is 983384591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176491225 + 18992164 = 13285^2 + 4358^2 .

It is a cyclic number.

It is not a de Polignac number, because 195483389 - 24 = 195483373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195483319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97741694 + 97741695.

It is an arithmetic number, because the mean of its divisors is an integer number (97741695).

Almost surely, 2195483389 is an apocalyptic number.

It is an amenable number.

195483389 is a deficient number, since it is larger than the sum of its proper divisors (1).

195483389 is an equidigital number, since it uses as much as digits as its factorization.

195483389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 50.

The square root of 195483389 is about 13981.5374333440. The cubic root of 195483389 is about 580.3677701217.

The spelling of 195483389 in words is "one hundred ninety-five million, four hundred eighty-three thousand, three hundred eighty-nine".