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189058349 is a prime number
BaseRepresentation
bin10110100010011…
…00110100101101
3111011202011022002
423101030310231
5341344331344
630432102045
74453653344
oct1321146455
9434664262
10189058349
119779a377
1253394925
1330225c5c
141b174b5b
15118e744e
hexb44cd2d

189058349 has 2 divisors, whose sum is σ = 189058350. Its totient is φ = 189058348.

The previous prime is 189058307. The next prime is 189058351. The reversal of 189058349 is 943850981.

189058349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182520100 + 6538249 = 13510^2 + 2557^2 .

It is a cyclic number.

It is not a de Polignac number, because 189058349 - 216 = 188992813 is a prime.

It is a Sophie Germain prime.

Together with 189058351, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189058369) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94529174 + 94529175.

It is an arithmetic number, because the mean of its divisors is an integer number (94529175).

Almost surely, 2189058349 is an apocalyptic number.

It is an amenable number.

189058349 is a deficient number, since it is larger than the sum of its proper divisors (1).

189058349 is an equidigital number, since it uses as much as digits as its factorization.

189058349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 189058349 is about 13749.8490537169. The cubic root of 189058349 is about 573.9384056979.

The spelling of 189058349 in words is "one hundred eighty-nine million, fifty-eight thousand, three hundred forty-nine".