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8106899 = 23093511
BaseRepresentation
bin11110111011001110010011
3120020212120112
4132323032103
54033410044
6445431535
7125623163
oct36731623
916225515
108106899
114637919
12286b5ab
1318aaca8
1411105a3
15aa209e
hex7bb393

8106899 has 4 divisors (see below), whose sum is σ = 8112720. Its totient is φ = 8101080.

The previous prime is 8106893. The next prime is 8106907. The reversal of 8106899 is 9986018.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8106899 is a prime.

It is a super-2 number, since 2×81068992 = 131443622792402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8106893) 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, 554 + ... + 4064.

It is an arithmetic number, because the mean of its divisors is an integer number (2028180).

Almost surely, 28106899 is an apocalyptic number.

8106899 is a deficient number, since it is larger than the sum of its proper divisors (5821).

8106899 is a wasteful number, since it uses less digits than its factorization.

8106899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 8106899 is about 2847.2616669354. The cubic root of 8106899 is about 200.8868863497.

The spelling of 8106899 in words is "eight million, one hundred six thousand, eight hundred ninety-nine".

Divisors: 1 2309 3511 8106899