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2155159 is a prime number
BaseRepresentation
bin1000001110001010010111
311001111022201
420032022113
51022431114
6114105331
724214156
oct10161227
94044281
102155159
111242226
1287b247
135a5c56
1440159d
152c8874
hex20e297

2155159 has 2 divisors, whose sum is σ = 2155160. Its totient is φ = 2155158.

The previous prime is 2155133. The next prime is 2155163. The reversal of 2155159 is 9515512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2155159 - 211 = 2153111 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2155129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077579 + 1077580.

It is an arithmetic number, because the mean of its divisors is an integer number (1077580).

22155159 is an apocalyptic number.

2155159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2155159 is an equidigital number, since it uses as much as digits as its factorization.

2155159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2250, while the sum is 28.

The square root of 2155159 is about 1468.0459802063. The cubic root of 2155159 is about 129.1694386271.

The spelling of 2155159 in words is "two million, one hundred fifty-five thousand, one hundred fifty-nine".