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2104305 = 3573409
BaseRepresentation
bin1000000001101111110001
310221220120020
420001233301
51014314210
6113034053
723613000
oct10015761
93856506
102104305
111207aa5
12855929
13588a68
143cac37
152b8770
hex201bf1

2104305 has 32 divisors (see below), whose sum is σ = 3936000. Its totient is φ = 959616.

The previous prime is 2104273. The next prime is 2104313. The reversal of 2104305 is 5034012.

It is not a de Polignac number, because 2104305 - 25 = 2104273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4941 + ... + 5349.

It is an arithmetic number, because the mean of its divisors is an integer number (123000).

22104305 is an apocalyptic number.

It is an amenable number.

2104305 is a deficient number, since it is larger than the sum of its proper divisors (1831695).

2104305 is an equidigital number, since it uses as much as digits as its factorization.

2104305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2104305 is about 1450.6222802646. The cubic root of 2104305 is about 128.1453630138.

Adding to 2104305 its reverse (5034012), we get a palindrome (7138317).

The spelling of 2104305 in words is "two million, one hundred four thousand, three hundred five".

Divisors: 1 3 5 7 15 21 35 49 105 147 245 343 409 735 1029 1227 1715 2045 2863 5145 6135 8589 14315 20041 42945 60123 100205 140287 300615 420861 701435 2104305