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8057369 = 10497681
BaseRepresentation
bin11110101111001000011001
3120011100122002
4132233020121
54030313434
6444410345
7125325605
oct36571031
916140562
108057369
114603691
1228469b5
131891598
1410da505
15a9257e
hex7af219

8057369 has 4 divisors (see below), whose sum is σ = 8066100. Its totient is φ = 8048640.

The previous prime is 8057359. The next prime is 8057393. The reversal of 8057369 is 9637508.

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 can be written as a sum of positive squares in 2 ways, for example, as 6568969 + 1488400 = 2563^2 + 1220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8057369 is a prime.

It is a super-2 number, since 2×80573692 = 129842390404322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8057339) 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 3 ways as a sum of consecutive naturals, for example, 2792 + ... + 4889.

It is an arithmetic number, because the mean of its divisors is an integer number (2016525).

Almost surely, 28057369 is an apocalyptic number.

It is an amenable number.

8057369 is a deficient number, since it is larger than the sum of its proper divisors (8731).

8057369 is a wasteful number, since it uses less digits than its factorization.

8057369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8730.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 8057369 is about 2838.5505103838. The cubic root of 8057369 is about 200.4769367526.

The spelling of 8057369 in words is "eight million, fifty-seven thousand, three hundred sixty-nine".

Divisors: 1 1049 7681 8057369