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199769027 is a prime number
BaseRepresentation
bin10111110100000…
…11101111000011
3111220220022120212
423322003233003
5402120102102
631453424335
74644002663
oct1372035703
9456808525
10199769027
11a2845477
1256a9b0ab
1332506133
141c7621a3
1512810c52
hexbe83bc3

199769027 has 2 divisors, whose sum is σ = 199769028. Its totient is φ = 199769026.

The previous prime is 199768979. The next prime is 199769029. The reversal of 199769027 is 720967991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199769027 - 26 = 199768963 is a prime.

Together with 199769029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199769029) 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, 99884513 + 99884514.

It is an arithmetic number, because the mean of its divisors is an integer number (99884514).

Almost surely, 2199769027 is an apocalyptic number.

199769027 is a deficient number, since it is larger than the sum of its proper divisors (1).

199769027 is an equidigital number, since it uses as much as digits as its factorization.

199769027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 199769027 is about 14133.9671359459. The cubic root of 199769027 is about 584.5783378750.

The spelling of 199769027 in words is "one hundred ninety-nine million, seven hundred sixty-nine thousand, twenty-seven".