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2164159 = 3176827
BaseRepresentation
bin1000010000010110111111
311001221200001
420100112333
51023223114
6114215131
724252334
oct10202677
94057601
102164159
111248a68
128844a7
135aa08a
1440498b
152cb374
hex2105bf

2164159 has 4 divisors (see below), whose sum is σ = 2171304. Its totient is φ = 2157016.

The previous prime is 2164121. The next prime is 2164171. The reversal of 2164159 is 9514612.

2164159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2164159 - 27 = 2164031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164859) 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 3 ways as a sum of consecutive naturals, for example, 3097 + ... + 3730.

It is an arithmetic number, because the mean of its divisors is an integer number (542826).

22164159 is an apocalyptic number.

2164159 is a deficient number, since it is larger than the sum of its proper divisors (7145).

2164159 is an equidigital number, since it uses as much as digits as its factorization.

2164159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144.

The product of its digits is 2160, while the sum is 28.

The square root of 2164159 is about 1471.1080857639. The cubic root of 2164159 is about 129.3489938937.

The spelling of 2164159 in words is "two million, one hundred sixty-four thousand, one hundred fifty-nine".

Divisors: 1 317 6827 2164159