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2195089 = 13198887
BaseRepresentation
bin1000010111111010010001
311010112002121
420113322101
51030220324
6115014241
724441451
oct10277221
94115077
102195089
11126a226
1289a381
135bb190
14411d61
152d55e4
hex217e91

2195089 has 8 divisors (see below), whose sum is σ = 2488640. Its totient is φ = 1919376.

The previous prime is 2195071. The next prime is 2195113. The reversal of 2195089 is 9805912.

2195089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2195089 - 27 = 2194961 is a prime.

It is a Duffinian number.

2195089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2195009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4197 + ... + 4690.

It is an arithmetic number, because the mean of its divisors is an integer number (311080).

22195089 is an apocalyptic number.

It is an amenable number.

2195089 is a deficient number, since it is larger than the sum of its proper divisors (293551).

2195089 is a wasteful number, since it uses less digits than its factorization.

2195089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 2195089 is about 1481.5832747436. The cubic root of 2195089 is about 129.9622967585.

The spelling of 2195089 in words is "two million, one hundred ninety-five thousand, eighty-nine".

Divisors: 1 13 19 247 8887 115531 168853 2195089