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2104069 = 11217389
BaseRepresentation
bin1000000001101100000101
310221220020111
420001230011
51014312234
6113033021
723612212
oct10015405
93856214
102104069
111207900
12855771
13588916
143cab09
152b8664
hex201b05

2104069 has 6 divisors (see below), whose sum is σ = 2312870. Its totient is φ = 1912680.

The previous prime is 2104061. The next prime is 2104087. The reversal of 2104069 is 9604012.

It can be written as a sum of positive squares in only one way, i.e., 1890625 + 213444 = 1375^2 + 462^2 .

It is not a de Polignac number, because 2104069 - 23 = 2104061 is a prime.

It is a super-2 number, since 2×21040692 = 8854212713522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8574 + ... + 8815.

22104069 is an apocalyptic number.

It is an amenable number.

2104069 is a deficient number, since it is larger than the sum of its proper divisors (208801).

2104069 is a wasteful number, since it uses less digits than its factorization.

2104069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17411 (or 17400 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2104069 is about 1450.5409335831. The cubic root of 2104069 is about 128.1405722893.

The spelling of 2104069 in words is "two million, one hundred four thousand, sixty-nine".

Divisors: 1 11 121 17389 191279 2104069