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2173079 is a prime number
BaseRepresentation
bin1000010010100010010111
311002101220102
420102202113
51024014304
6114324315
724320336
oct10224227
94071812
102173079
111254737
1288969b
135b115c
14407d1d
152cdd1e
hex212897

2173079 has 2 divisors, whose sum is σ = 2173080. Its totient is φ = 2173078.

The previous prime is 2173051. The next prime is 2173081. The reversal of 2173079 is 9703712.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2173079 - 28 = 2172823 is a prime.

Together with 2173081, 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 (2173009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086539 + 1086540.

It is an arithmetic number, because the mean of its divisors is an integer number (1086540).

22173079 is an apocalyptic number.

2173079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173079 is an equidigital number, since it uses as much as digits as its factorization.

2173079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 2173079 is about 1474.1366965109. The cubic root of 2173079 is about 129.5264625935.

The spelling of 2173079 in words is "two million, one hundred seventy-three thousand, seventy-nine".