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189486833 is a prime number
BaseRepresentation
bin10110100101101…
…01011011110001
3111012112221001212
423102311123301
5342002034313
630445205505
74460416514
oct1322653361
9435487055
10189486833
1197a62298
1253560895
1330345cb3
141b246d7b
151197e3a8
hexb4b56f1

189486833 has 2 divisors, whose sum is σ = 189486834. Its totient is φ = 189486832.

The previous prime is 189486827. The next prime is 189486839. The reversal of 189486833 is 338684981.

It is a balanced prime because it is at equal distance from previous prime (189486827) and next prime (189486839).

It can be written as a sum of positive squares in only one way, i.e., 137545984 + 51940849 = 11728^2 + 7207^2 .

It is a cyclic number.

It is not a de Polignac number, because 189486833 - 210 = 189485809 is a prime.

It is not a weakly prime, because it can be changed into another prime (189486839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94743416 + 94743417.

It is an arithmetic number, because the mean of its divisors is an integer number (94743417).

Almost surely, 2189486833 is an apocalyptic number.

It is an amenable number.

189486833 is a deficient number, since it is larger than the sum of its proper divisors (1).

189486833 is an equidigital number, since it uses as much as digits as its factorization.

189486833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 50.

The square root of 189486833 is about 13765.4216426523. The cubic root of 189486833 is about 574.3716720605.

The spelling of 189486833 in words is "one hundred eighty-nine million, four hundred eighty-six thousand, eight hundred thirty-three".