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8057009 = 37713067
BaseRepresentation
bin11110101111000010110001
3120011100010202
4132233002301
54030311014
6444404545
7125324552
oct36570261
916140122
108057009
114603394
122846755
13189137c
1410da329
15a923de
hex7af0b1

8057009 has 8 divisors (see below), whose sum is σ = 8394048. Its totient is φ = 7726320.

The previous prime is 8057003. The next prime is 8057011. The reversal of 8057009 is 9007508.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8057009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8057003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094 + ... + 4160.

It is an arithmetic number, because the mean of its divisors is an integer number (1049256).

Almost surely, 28057009 is an apocalyptic number.

It is an amenable number.

8057009 is a deficient number, since it is larger than the sum of its proper divisors (337039).

8057009 is a wasteful number, since it uses less digits than its factorization.

8057009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 8057009 is about 2838.4870970290. The cubic root of 8057009 is about 200.4739509652.

The spelling of 8057009 in words is "eight million, fifty-seven thousand, nine".

Divisors: 1 37 71 2627 3067 113479 217757 8057009