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4108009 = 19216211
BaseRepresentation
bin1111101010111011101001
321201201010111
433222323221
52022424014
6224014321
746626463
oct17527351
97651114
104108009
112356454
1214613a1
13b0aa99
1478d133
155622c4
hex3eaee9

4108009 has 4 divisors (see below), whose sum is σ = 4324240. Its totient is φ = 3891780.

The previous prime is 4107997. The next prime is 4108021. The reversal of 4108009 is 9008014.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4107997) and next prime (4108021).

It is a cyclic number.

It is not a de Polignac number, because 4108009 - 27 = 4107881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4108309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108087 + ... + 108124.

It is an arithmetic number, because the mean of its divisors is an integer number (1081060).

Almost surely, 24108009 is an apocalyptic number.

It is an amenable number.

4108009 is a deficient number, since it is larger than the sum of its proper divisors (216231).

4108009 is a wasteful number, since it uses less digits than its factorization.

4108009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216230.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 4108009 is about 2026.8223898507. The cubic root of 4108009 is about 160.1562146191.

The spelling of 4108009 in words is "four million, one hundred eight thousand, nine".

Divisors: 1 19 216211 4108009