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7056109 = 16634243
BaseRepresentation
bin11010111010101011101101
3111021111011101
4122322223231
53301243414
6411123101
7113655514
oct32725355
914244141
107056109
113a8a3a5
122443491
131600918
14d1967b
15945a74
hex6baaed

7056109 has 4 divisors (see below), whose sum is σ = 7062016. Its totient is φ = 7050204.

The previous prime is 7056083. The next prime is 7056121. The reversal of 7056109 is 9016507.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7056109 - 221 = 4958957 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7056409) 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, 459 + ... + 3784.

It is an arithmetic number, because the mean of its divisors is an integer number (1765504).

Almost surely, 27056109 is an apocalyptic number.

It is an amenable number.

7056109 is a deficient number, since it is larger than the sum of its proper divisors (5907).

7056109 is a wasteful number, since it uses less digits than its factorization.

7056109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 7056109 is about 2656.3337516208. Note that the first 3 decimals coincide. The cubic root of 7056109 is about 191.8028666033.

The spelling of 7056109 in words is "seven million, fifty-six thousand, one hundred nine".

Divisors: 1 1663 4243 7056109