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389104273 is a prime number
BaseRepresentation
bin10111001100010…
…100001010010001
31000010011112201101
4113030110022101
51244102314043
6102335504401
712433221535
oct2714241221
91003145641
10389104273
1118a703888
12aa388101
13627c811c
1439969bc5
152426024d
hex17314291

389104273 has 2 divisors, whose sum is σ = 389104274. Its totient is φ = 389104272.

The previous prime is 389104253. The next prime is 389104277. The reversal of 389104273 is 372401983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387774864 + 1329409 = 19692^2 + 1153^2 .

It is a cyclic number.

It is not a de Polignac number, because 389104273 - 225 = 355549841 is a prime.

It is not a weakly prime, because it can be changed into another prime (389104277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194552136 + 194552137.

It is an arithmetic number, because the mean of its divisors is an integer number (194552137).

Almost surely, 2389104273 is an apocalyptic number.

It is an amenable number.

389104273 is a deficient number, since it is larger than the sum of its proper divisors (1).

389104273 is an equidigital number, since it uses as much as digits as its factorization.

389104273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 389104273 is about 19725.7261716774. The cubic root of 389104273 is about 730.0545858976.

The spelling of 389104273 in words is "three hundred eighty-nine million, one hundred four thousand, two hundred seventy-three".