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162106247 is a prime number
BaseRepresentation
bin10011010100110…
…00101110000111
3102022000211222002
421222120232013
5312444344442
624030255515
74005610652
oct1152305607
9368024862
10162106247
1183560906
124635759b
132777a374
141775a899
15e371732
hex9a98b87

162106247 has 2 divisors, whose sum is σ = 162106248. Its totient is φ = 162106246.

The previous prime is 162106207. The next prime is 162106249. The reversal of 162106247 is 742601261.

162106247 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 is an emirp because it is prime and its reverse (742601261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162106247 - 224 = 145329031 is a prime.

Together with 162106249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162106249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81053123 + 81053124.

It is an arithmetic number, because the mean of its divisors is an integer number (81053124).

Almost surely, 2162106247 is an apocalyptic number.

162106247 is a deficient number, since it is larger than the sum of its proper divisors (1).

162106247 is an equidigital number, since it uses as much as digits as its factorization.

162106247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 162106247 is about 12732.0951535873. The cubic root of 162106247 is about 545.2553268746.

The spelling of 162106247 in words is "one hundred sixty-two million, one hundred six thousand, two hundred forty-seven".